County Maintained Roads

The list of roads maintained by Lewis and Clark County may change. If you have a specific question about the level of maintenance or the length of the road. Please call (406) 447-1631.

ROUTE NAME/DESIGNATION SURFACE LENGTH OF ROAD
AARON DRIVE GRAVEL 0.1
AIKEN RD GRAVEL 0.1
ALABAMA DR GRAVEL 0.05
ALICE CREEK RD GRAVEL 4.1
ALLEN RD GRAVEL 1.6
APPLEGATE DR-NORTH GRAVEL 2.9
APPLEGATE DR-SOUTH CHIP SEAL 1.9
ARASTRA GULCH GRAVEL 0.85
ASPEN WAY GRAVEL 0.07
ATTWOOD PL GRAVEL 0.04
AUGUSTA ALLEYS GRAVEL 1
AUGUSTA HOGAN RD LOVERS LANE GRAVEL 0.8
AUGUSTA RANGER STATION RD GRAVEL 15.8
AUGUSTA ST CRAIG SCHOOL GRAVEL 0.15
AUGUSTA-CLEMONS RD GRAVEL 2.45
AUSTIN RD MULLAN PASS GRAVEL 6
B ST CHIPSEAL 0.5
BALDY DR GRAVEL 1
BANDY ST CHIPSEAL 0.1
BARNETT DR GRAVEL 0.17
BARR CREEK/AUGUSTA WILLOW GRAVEL 6.9
BARRETT RD GRAVEL 1
BEARTOOTH RD CHIPSEAL 5.1
BEARTOOTH RD GRAVEL 1.8
BEAVER CREEK RD GRAVEL 4.45
BECK ST CHIPSEAL 0.12
BEECH ST CHIPSEAL 0.2
BELMONT DR GRAVEL 1.8
BELOW CANYON FERRY DAM JIM TOWN CHIPSEAL 0.87
BENTON FORK RD (BIRDTAIL ROAD) GRAVEL 4.91
BILLINGS AVE. GRAVEL 0.16
BIRDSEYE RD CHIPSEAL 10
BITTERROOT RD GRAVEL 0.35
BLACK BEAR RD GRAVEL 0.11
BLACK ROCK RD GRAVEL 5.5
BLACKFOOT VALLEY RANCH RD GRAVEL 0.4
BOB THOMAS RD GRAVEL 3
BONNER RD GRAVEL 0.5
BRIDGE ST PAVED 0.6
BROADWATER AVE GRAVEL 0.3
BROADWAY ST CHIPSEAL 0.6
BROOKLYN BRIGE MINE RD GRAVEL 0.1
BUTTE ST GRAVEL 0.04
C ST CHIPSEAL 0.4
CAMP WALKER RD GRAVEL 3.9
CANAL CIR CHIPSEAL 0.29
CANAL RD CHIP SEAL 0.5
CANNON ST CHIPSEAL 0.42
CAROL DR GRAVEL 0.1
CAROLINA DR GRAVEL 0.1
CEDAR VALLEY RD GRAVEL 0.9
CENTRAL AVE GRAVEL 0.13
CHAPPARAL AVE GRAVEL 0.48
CHEVALLIER DR (SIEBEN CANYON RD) GRAVEL 4.93
CHEVALLIER DR (SIEBEN CANYON RD) MILLINGS 1.92
CHEVALLIER DRIVE GRAVEL 6.7
CHISOLM-BARRET RD GRAVEL 4.2
CHOTEAU STREET CHIPSEAL 0.42
CLARK ST EAST GRAVEL 0.585
CLAUSEN RD GRAVEL 1.5
CLINTON ST GRAVEL 0.24
COLLEGE PLACE RD GRAVEL 0.2
COLLINS DR-NORTH GRAVEL 0.9
COLLINS DR-SOUTH CHIPSEAL 0.7
COLORADO AVE GRAVEL 0.06
COLORADO GULCH DR CHIPSEAL 3.4
COLORADO GULCH DR GRAVEL 0.8
COPPER CREEK ROAD CHIPSEAL 2.4
COUNTRY CLUB AVE PAVED 2
CRAIG RIVER RD GRAVEL 6.68
CUSTER AVENUE EAST GRAVEL 0.34
CUSTER AVENUE WEST GRAVEL 0.5
CUTLIP ROAD/NORTH AIRPORT GRAVEL 0.3
CYR LANE GRAVEL 0.2
D ST CHIPSEAL 0.2
D ST GRAVEL 0.05
DALTON MTN RD GRAVEL 4.5
DAVIS GULCH DR GRAVEL 1.1
DEAD MAN COULEE GRAVEL 5.04
DEAL LANE PAVED 0.72
DEAL LANE GRAVEL 2.1
DEAN RANCH RD GRAVEL 1
DEARBORN CANYON RD GRAVEL 5.7
DEL RAY DR GRAVEL 0.1
DIEHL DR-NORTH & SOUTH GRAVEL 2.62
DOROTHY DR GRAVEL 0.4
DOUG E (CEMETARY) GRAVEL 0.13
DRY CREEK-BURKE GRAVEL 11.7
DRY GULCH DR GRAVEL 1
DUDLEY ST GRAVEL 0.24
DUFFY LANE GRAVEL 2.89
DUNBAR AVE GRAVEL 0.21
EAMES LN GRAVEL 1.56
EAST WILLOW CREEK RD GRAVEL 0.1
EBERL ST CHIPSEAL 0.07
EIGHTH AVE CHIPSEAL 0.5
EIGHTH AVE NORTH CHIPSEAL 0.25
ELIZABETH ST GRAVEL 0.13
ELK CREEK RD GRAVEL 5.7
ELKHORN-WILLOW CREEK RD(BEARTOOTH) GRAVEL 3.15
ERICKSON RD CHIPSEAL 0.1
FAW RD WEST GRAVEL 0.1
FERRY DR. GRAVEL 1
FIRST AVE CHIPSEAL 0.6
FIRST STREET NORTH GRAVEL 0.1
FLAT CREEK RD GRAVEL 10.8
FLOWEREE DR CHIPSEAL 2.05
FLOWERREE ST (SPLIT UP) GRAVEL 0.32
FORESTVALE RD CHIPSEAL 1.3
FOUR X FOUR GRAVEL 1.4
FOURTH AVE GRAVEL 0.35
FOURTH ST GRAVEL 0.06
FOURTH ST NORTH CHIPSEAL 0.3
FRANKLIN MINE RD CHIPSEAL 0.33
FRANKLIN MINE RD GRAVEL 2
GATES OF THE MOUNTAIN RD PAVED 2.67
GEORGIA DR GRAVEL 0.15
GLASS DR-NORTH GRAVEL 2.5
GLASS DR-NORTH PAVED 0.2
GLASS DR-SOUTH CHIPSEAL 0.5
GOOD NEWS LN GRAVEL 0.3
GRAND ST GRAVEL 0.29
GRANITE AVE GRAVEL 0.15
GRANITE AVE CHIPSEAL 0.17
GREEN MEADOW DR-NORTH GRAVEL 0.4
GREEN ST GRAVEL 0.08
GRIFFIN RD GRAVEL 0.5
GRIZZLY GULCH DR (TRAVIS?) GRAVEL 6.4
GROSCHELL ST GRAVEL 0.24
HAHN RD GRAVEL 0.1
HARMONY RD GRAVEL 1.7
HART LN-NORTH GRAVEL 1.8
HART LN-SOUTH GRAVEL 2
HAUSER BLVD (STREET) CHIPSEAL 0.84
HAUSER BLVD (STREET) GRAVEL 0.21
HAUSER DAM RD CHIPSEAL 0.85
HAUSER DAM RD GRAVEL 2.4
HEAD DR GRAVEL 1.9
HELBURG DR GRAVEL 1.8
HERRIN LAKE ROAD GRAVEL 3
HERRIN RD CHIPSEAL 0.49
HI SIGN ROAD GRAVEL 0.6
HIAWATHA STREET - NORTH GRAVEL 0.43
HIAWATHA STREET - SOUTH CHIPSEAL 0.21
HIAWATHA STREET - SOUTH GRAVEL 0.07
HICKMAN DR GRAVEL 0.19
HIGH STREET WOLF CREEK SCHOOL GRAVEL 0.08
HIGHLAND ST GRAVEL 0.1
HILMA DR GRAVEL 0.15
HOGUM CREEK RD GRAVEL 0.7
HOLTER DAM RD GRAVEL 2.27
HOPE RD GRAVEL 0.5
HOWARD RD GRAVEL 1.73
JERRY ROAD OFF OF LENARD ST GRAVEL 0.04
JIMTOWN RD GRAVEL 5.25
JOHN G MINE RD-EAST CHIPSEAL 1.5
JOHN G MINE RD-WEST GRAVEL 0.35
JUNIPER DR CHIPSEAL 0.5
JUNIPER DR GRAVEL 0.1
KEIR LN GRAVEL 2.75
KEIR LN CHIPSEAL 0.76
KEIR RD CHIPSEAL 0.42
KING ST GRAVEL 0.23
KNIGHT ST CHIPSEAL 0.49
KNIGHT ST GRAVEL 0.07
LAKE HELENA DRIVE N OF YORK RD GRAVEL 1.73
LAKE HELENA DRIVE N OF YORK RD PAVED 2.67
LAKE HELENA DR-SOUTH PAVED 2.04
LAKE HELENA DR-SOUTH MILLINGS 2
LAMB ROAD GRAVEL 0.05
LANDERS FORK RD GRAVEL 2.5
LANDMARK DR GRAVEL 0.08
LAUREL ST GRAVEL 0.13
LAUREL ST CHIPSEAL 0.22
LE GRANDE CANNON BLVD GRAVEL 0.91
LEONARD ST GRAVEL 0.34
LESLIE AVE GRAVEL 0.12
LEWIS ST PAVED 0.24
LEWIS ST GRAVEL 0.24
LINCOLN GULCH RD NORTH GRAVEL 0.5
LINDEN ST GRAVEL 0.13
LINDEN ST CHIPSEAL 0.38
LITTLE PRICKLEY PEAR RD GRAVEL 9.16
LITTLE WOLF CRK RD GRAVEL 7.31
LODGE POLE WAY GRAVEL 0.3
LOMBARDY DR GRAVEL 0.6
LONE POINT DR SPILING GULCH RD GRAVEL 0.35
LONG BUTTE RD GRAVEL 6.7
LONG GULCH RD GRAVEL 0.5
LOST HORSE CREEK ROAD GRAVEL 1.1
LYNN RD GRAVEL 0.05
MAIN ST GRAVEL 0.02
MAIN STREET CRAIG GRAVEL 0.38
MANIX ST CHIPSEAL 0.2
MAPLE AVE GRAVEL 0.31
MARSH CRK RD GRAVEL 1.18
MARYSVILLE RD GRAVEL 6
MASONIC HOME RD CHIPSEAL 1.4
MATT STAFF RD GRAVEL 1.45
MCCLELLAN CREEK RD GRAVEL 1.21
MCHUGH DR CHIPSEAL 3
MEADOW ST GRAVEL 0.2
MEADOWLARK DR GRAVEL 0.66
MEAGHER AVE GRAVEL 0.33
MERRITT LN GRAVEL 1.03
MIDDLEFORK DEARBORN GRAVEL 4.73
MIDDLEMAS RD CHIPSEAL 0.4
MIKE HORSE CRK RD GRAVEL 2.5
MILL RD E GRAVEL 0.2
MILL RD W CHIPSEAL 1.4
MINNESOTA AVE GRAVEL 0.22
MITCHELL AVE GRAVEL 0.2
MONTANA AVE NORTH PAVED 3.2
MOTSIFF RD CHIPSEAL 0.5
MT HIGHWAY 434 STERNS AUGUSTA GRAVEL 8.94
MT HIGHWAY 435 CHIPSEAL 10.3
MT HIGHWAY 435 GRAVEL 5.6
MYLES RD GRAVEL 0.17
NICOLAI LN GRAVEL 0.05
NINTH AVE CHIPSEAL 0.25
NORRIS RD E CHIPSEAL 0.6
NORRIS RD W GRAVEL 0.2
NORTH BEAVER CREEK ROAD GRAVEL 1.7
NORTH STEMPLE PASS AVE CHIPSEAL 0.3
OAK AVE GRAVEL 0.18
OLD LAKE HELENA DR GRAVEL 0.5
OLSON RD GRAVEL 0.38
ORO FINO GULCH RD PAVED 3.35
ORO FINO GULCH RD GRAVEL 1.35
OX BOW RD (OFF HOLTER DAM RD) GRAVEL 1.62
PARK DR GRAVEL 0.3
PENNY LN GRAVEL 0.2
PERCY HELENA CHIPSEAL 0.07
PINE ST CHIPSEAL 0.1
PONDEROSA RD GRAVEL 0.3
PRAIRIE RD-EAST GRAVEL 0.95
PRIEST PASS RD - SOUTH GRAVEL 2.8
PROGRESS RD GRAVEL 0.125
RAINIER RD GRAVEL 0.1
REED AVE GRAVEL 0.13
RIGGS ST EAST GRAVEL 0.11
RIMINI RD GRAVEL 7.7
RINAY RD GRAVEL 0.45
ROBIN DR CHIPSEAL 0.1
ROCK CREEK LOOP GRAVEL 1.72
ROGAN GRAVEL 0.24
RONDA RD CHIPSEAL 0.5
ROSEMARY RD GRAVEL 0.25
ROSS RD GRAVEL 0.3
ROUTE 284 CANYON FERRY ROAD PAVED 3.2
SECOND AVE GRAVEL 0.2
SECOND ST GRAVEL 0.06
SECOND ST NORTH CHIPSEAL 0.3
SECOND ST NORTH GRAVEL 0.2
SEVENMILE RD GRAVEL 7
SEVENTH AVE CHIPSEAL 0.3
SEWELL RD WEST GRAVEL 0.5
SHADY DR GRAVEL 0.2
SHERLOCK LN GRAVEL 0.2
SIERRA RD-EAST CHIPSEAL 2.15
SIERRA RD-WEST CHIPSEAL 1.3
SILSBEE AVE GRAVEL 0.12
SILVER CREEK RD GRAVEL 1
SILVERETTE ST GRAVEL 0.18
SIMM'S CREEK RD GRAVEL 4
SIXTH AVE CHIPSEAL 0.45
SIXTH AVE NORTH GRAVEL 0.1
SKYLINE RD GRAVEL 7.2
SMELTER RD. PAVED 0.38
SMELTER RD. GRAVEL 0.44
SMELTER S RD HYWAY-282 PAVED 2.64
SMITH CRK RD GRAVEL 11
SMITH LANE GRAVEL 0.2
SNOW DRIFT LN GRAVEL 0.15
SNOW FLEURY LN GRAVEL 0.45
SOUTH BEAVER CREEK ROAD GRAVEL 0.3
SOUTH FORK DEARBORN GRAVEL 2.12
SOUTH LINCOLN GULCH ROAD/ACROSS JERKY PLANT ROAD GRAVEL 0.2
SPERRY ROAD GRAVEL 4.31
SPOKANE RANCH RD GRAVEL 3.55
SPRING HILL RD GRAVEL 0.6
SPRING ST GRAVEL 0.59
SPRUCE DR GRAVEL 0.5
STABLE RD CHIPSEAL 0.2
STANLEY ST GRAVEL 0.28
STEARNS-AUGUSTA RD GRAVEL 2.3
STEMPLE PASS RD GRAVEL 22.7
STONE WALL CR RD GRAVEL 2
STUART ST GRAVEL 0.21
SUCKER CREEK RD GRAVEL 0.8
SUCKER CREEK RD CHIPSEAL 0.2
SUMMIT ST GRAVEL 0.14
SUN RIVER RD GRAVEL 19
SUNRISE LN GRAVEL 0.24
SWALLOW CANYON RD (SMITH CREEK) GRAVEL 4.3
TEMPLE RD CHIPSEAL 0.3
TENTH AVE NORTH GRAVEL 0.1
TERRACE AVE GRAVEL 0.26
TERRENCE RD CHIPSEAL 0.1
THIRD AVE GRAVEL 0.25
THIRD ST GRAVEL 0.06
THIRD ST NORTH CHIPSEAL 0.3
THIRD ST NORTH GRAVEL 0.2
THREEMILE RD GRAVEL 1.96
TIZER DR PAVED 0.49
TIZER DR GRAVEL 1.21
TOOLE DR GRAVEL 0.14
TROUT CREEK RD YORK-TROUT ? CHIPSEAL 3.14
TROUT CREEK RD YORK-TROUT ? GRAVEL 3.2
TUCKER GULCH RD GRAVEL 1
UTAH AVE GRAVEL 0.16
VALLEY DR CHIPSEAL 2.53
VALLEY DR GRAVEL 1
VALLEY DRIVE N OF YORK GRAVEL 2.24
VALLEY VIEW RD GRAVEL 0.95
VAN EMAN LN GRAVEL 3
VAN ORSDEL RD CHIPSEAL 0.25
WARDEN RD GRAVEL 8.1
WESTON ST CHIPSEAL 0.14
WHITE DR GRAVEL 0.17
WILDCAT RD GRAVEL 0.17
WILDER ST GRAVEL 0.59
WILLIAMS ST PAVED 2.5
WILLOW AVE GRAVEL 0.16
WINSLOW AVE CHIPSEAL 0.5
WINSTON STREET - NORTH GRAVEL 0.07
WINSTON STREET - SOUTH CHIPSEAL 0.25
WYLIE DR CHIPSEAL 3.8
WYOMING AVE GRAVEL 0.2
YORK NELSON GRAVEL 7.3
YORK RD PAVED 3.17
Total Miles of County-Maintained Roads 539.21

Road, Bridge, and Sign Contact Information

Regular Office Hours - Effective 3/11/2021: Monday-Thursday 6:00 a.m. - 4:30 p.m.(PDF, 80KB)

Road/Bridge/Sign Operations Manager
406-447-8031

Road Manager
406-447-8031

Bridge Manager
406-447-8031

Construction/RID Coordinators
406-447-8040 or 406-447-8069

Sign Technician
406-447-8031

Address: 3402 Cooney Drive
Helena, MT 59602
Phone: (406) 447-8031
Fax: (406) 447-8033

County road 1

County road 2

Back to top