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Every bridge in Missoula County, Montana

Name: Every bridge in Missoula County, Montana
Creator: Bridge Report Card
License: https://creativecommons.org/publicdomain/zero/1.0/

206 inventoried bridges, busiest first

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

Missoula County, Montana, has 206 bridges in the 2025 National Bridge Inventory: 66 rated good, 125 fair, and 15 poor (as of August 20, 2026).
This index lists every one of them, busiest first; each links to its own condition record.

Bridge	Built	Vehicles/day	Condition
N Reserve St over Clark Fork R Flood Plain	1977	35,914	Fair
N Reserve St over Clark Fork River	1975	35,914	Fair
Reserve St over W Broadway St-rr	1998	29,572	Fair
Brooks St-us 12 over Bitterroot River	1968	28,185	Fair
I 90 over Grant Creek	1965	27,328	Good
N Russel Street over Clark Fork River	2020	23,274	Good
S Orange St over Clark Fork River	2003	22,608	Fair
S Orange St over Pedestrian-bike Path	2002	22,608	Good
US 12-e Broadway S over Rattlesnake Creek	1964	21,390	Fair
US 93 over Lolo Creek	1965	20,994	Good
Madison St-us 12 over Clark Fork River	1958	18,393	Fair
I 90 EB over Int Van Buren Street	1964	15,284	Good
I 90 WB over Int Van Buren Street	1964	15,284	Fair
I 90 over Greenough Dr-rattlesnake	1966	15,284	Fair
I 90 over Greenough Dr-rattlesnake	1966	15,284	Fair
I 90 over Int Reserve Street	1966	13,664	Fair
I 90 over Int Reserve Street	1966	13,664	Poor
I 90 over Sep Coal Mine Road	1966	13,664	Good
I 90 over Sep Coal Mine Road	1966	13,664	Fair
I 90 over Sep Airway Blvd	1997	12,090	Good
I 90 over Sep Airway Blvd	1997	12,090	Good
I 90 over Int Orange Street	1966	12,078	Good
I 90 over Int Orange Street	1966	12,078	Good
S Higgins Ave over Clark Fork R-ped Paths	1962	11,197	Fair
I 90 over RR	1966	10,499	Fair
I 90 over RR	1966	10,499	Fair
I 90 over Sep Butler Creek Road	1966	10,499	Fair
I 90 over Sep Butler Creek Road	1966	10,499	Fair
I 90 over Clark Fork River	1965	10,294	Fair
I 90 over Clark Fork River	1965	10,294	Fair
I 90 over Deer Creek Road	1964	10,294	Fair
I 90 over Deer Creek Road	1964	10,294	Good
I 90 over Int E Missoula	1964	10,294	Fair
I 90 over Int E Missoula	1964	10,294	Fair
I 90 over Sep Juniper Dr-clark Fk	1965	10,294	Fair
I 90 over Sep Juniper Dr-clark Fk	1965	10,294	Fair
Irr - US 93 over Rr-finley Creek	2009	9,214	Fair
US 93 over Wildlife Crossing	2009	9,214	Good
US 93 over Wildlife Underpass	2009	9,214	Fair
US 93 over Wildlife Underpass	2009	9,214	Good
US 93 over Wildlife Underpass	2009	9,214	Good
US 93 over Wildlife Underpass	2009	9,214	Good
US 93 over Wildlife Upass-finley CR	2009	9,214	Good
US 93 over Wildlife Upass-schley CR	2009	9,214	Good
I 90 over Clark Fork River	1964	9,168	Poor
S 200 over Blackfoot River	2009	8,302	Fair
S 200 over Int Bonner I 90	1965	8,302	Fair
Expressway Rd over Grant Creek 003	1981	7,844	Fair
Scott St over RR	1979	6,636	Fair
I 90 EB over Sep Rustic Road	1964	6,216	Fair
I 90 WB over Abandoned Railroad	1964	6,216	Fair
I 90 WB over Sep Rustic Road	1964	6,216	Fair
I 90 over Abandoned Railroad	1964	6,216	Fair
I 90 over Black Foot River	2019	6,216	Good
I 90 over Blackfoot River	2018	6,216	Good
I 90 over RR	1963	6,216	Fair
I 90 over RR	1963	6,216	Fair
I 90 over Sep Loiselle Road	1971	6,073	Fair
I 90 over Sep Loiselle Road	1971	6,073	Fair
I 90 over Int Beavertail	1972	5,901	Fair
I 90 over Int Beavertail	1972	5,901	Fair
I 90 EB over Int Turah	1964	5,626	Fair
I 90 EB over Sep E Mullan Road	1963	5,626	Fair
I 90 WB over Int Turah	1964	5,626	Fair
I 90 WB over Sep E Mullan Road	1963	5,626	Fair
I 90 over RR	1963	5,626	Fair
I 90 over RR	1963	5,626	Fair
I 90 over Int Nine Mile	1964	5,499	Fair
I 90 over Int Nine Mile	1964	5,499	Fair
I 90 over Sep Houle Creek Road	1971	5,499	Fair
I 90 over Sep Houle Creek Road	1971	5,499	Fair
Irr - US 93 over Int Desmet I 90	1966	5,175	Fair
US 93 over Int Desmet I 90	1995	5,175	Fair
S 200 over Blackfoot River	1968	4,627	Fair
S 200 over Blackfoot River	1988	4,627	Fair
I 90 over Clark Fork River	1979	4,584	Fair
I 90 over Clark Fork River	1964	4,584	Fair
I 90 over Int Lothrop	1975	4,584	Fair
I 90 over Int Lothrop	1963	4,584	Fair
Mullan Rd over French Ditch	1982	4,477	Fair
S 200 over Blackfoot River	1947	3,932	Fair
North Ave W over Bitterroot River 010	1935	3,627	Fair
Bible Lane over Petty Creek	2020	3,095	Good
Deep Creek Rd over Deep Creek 098	1983	3,095	Good
S 200 over Clearwater River	1949	3,044	Fair
I 90 over Rattlesnake Cr-int Ramp	1966	2,799	Fair
S 83 Fh 15 over Morrell Creek	1950	2,758	Good
Lolo St over Rattlesnake Creek 009	1966	2,363	Poor
S 200 EB over Blackfoot River	1940	2,314	Fair
Blue Mountain Road over O`brien Creek 114	1998	2,192	Good
Vine St over Rattlesnake Creek 002	1911	2,157	Good
S 210 over Mrl Spur (not In Use)	1929	2,075	Fair
Mullan Rd over Irrigation Canal	1970	1,635	Poor
E Front St over Rattlesnake Creek	1932	1,577	Fair
Deer Creek Rd over Clark Fork River 11	1975	1,451	Good
S 474 over RR	1959	1,397	Poor
S 210 over Int Clinton-i 90	1972	1,118	Fair
Petty Creek Rd over Clark Fork 008	1964	948	Fair
US 12 Fh 11 over Lolo Creek	1951	799	Fair
US 12 Fh 11 over Lolo Creek	1957	799	Fair
US 12 Fh 11 over Lolo Creek	1957	799	Poor
US 12 Fh 11 over Lolo Creek	1951	793	Good
Deschamps Ln over Lavalle Creek 022	2009	673	Good
Rock CR Rd over Clark Fk-rr-hwy 106	1972	603	Fair
Marshall Lake Rd over W Fk Clearwater River	1963	540	Fair
W Ninemile Rd over Ninemile Creek 029	1972	486	Fair
W Ninemile Rd over Ninemile Creek 030	1975	486	Fair
Petty Creek Rd over Petty Creek 038	1990	455	Good
Petty Creek Road over Petty Creek 117	2013	455	Good
Carlton Creek Rd over Sin-tin-tin-em-ska 102	1985	404	Good
Huson Rd over Int Huson-i 90 012	1971	393	Good
Loiselle Ln over Frenchtown Irr Canal 099	1960	205	Good
Lacasse Ln over Frenchtown Irr Canal 094	1960	190	Fair
Arlene Rd over Clark Fork 105	1976	164	Fair
Hwy 10 W over Ninemile Creek 035	1924	141	Poor
Hwy 10 W over Ninemile Slide 026	1947	141	Poor
Doney Road over Finley Creek 013	2009	111	Good
Airport Rd over Morrell Creek 092	2009	100	Good
Bench Rd over Grant Creek 019	1955	100	Fair
Bonita Rngr Sta Rd over Int Rock Creek I 90 004	1972	100	Fair
Boy Scout Rd over Clearwater River 082	1938	100	Poor
Boy Scout Rd over Clearwater River 083	1964	100	Good
Cold Creek Rd over Swan River 045	1954	100	Fair
E Mullan Rd over Mill Creek	2020	100	Good
Elk Creek Rd over Elk Creek 113	2005	100	Good
Elk Flats Rd over Elk Creek 115	1996	100	Fair
Expo Pkwy over Grant Creek 117	1997	100	Fair
Glacier Creek Rd over Glacier Creek 061	1970	100	Fair
Glacier Creek Rd over Swan River 058	2003	100	Fair
Guest Ranch Rd over Swan River 056	1978	100	Fair
International Dr over Grant Creek 005	1981	100	Fair
Kona Ranch Rd over Clark Fork 011	1987	100	Fair
Kraft Creek Road over Swan River	1954	100	Fair
Lindbergh Rd over Swan River 065	1984	100	Good
Mallard Way over Frenchtown Canal 100	1975	100	Fair
Mill Creek Rd over Lolo Creek 110	1983	100	Good
Old Grant CR Rd over Grant Creek 112	1979	100	Good
Pineridge Rd over Holland Creek 054	1978	100	Fair
Pineridge Rd over Swan River 055	1977	100	Fair
Placid Lake Rd S over Owl Creek 086	1973	100	Fair
Placid Lake Rd over Clearwater River 078	1970	100	Fair
Placid Lake Rd over Owl Creek 076	1970	100	Good
Placid Lake Rd over Owl Creek 077	1970	100	Poor
Prospect Dr over Grant Creek 001	1981	100	Good
Riverview Dr over Clearwater River 084	1967	100	Fair
S 263 over Int Frenchtown-i 90	1971	100	Fair
S Holland Lake Rd over Holland Creek 051	1949	100	Fair
Sawmill Gulch Rd over Rattlesnake Creek 017	1989	100	Fair
Schwartz Creek Rd over Clark Fork 093	1956	100	Fair
Snow Bowl Rd over Grant Creek 020	1967	100	Fair
Ss-11a over Swan River 111	1978	100	Good
Styler Dr over Glacier CR Ovrflow 060	1974	100	Fair
Styler Dr over Glacier Creek 059	1970	100	Fair
Sunset Hill Rd over Blackfoot River 088	1907	100	Poor
Sunset Hill Rd over Elk Creek 089	1992	100	Good
Turah Rd over Clark Fork 103	1962	100	Poor
Whitetail Dr over Morrell Creek 007	1994	100	Good
Wise River Rd over Miller Creek 116	2002	100	Good
East Fk Lolo CR over Lolo Creek	1946	50	Fair
Elk Meadows Rd over Lolo CR	1960	50	Fair
Finley CR Rd over Placid CR	1959	50	Poor
Gilbert CR. Rd over Rock Creek	1982	50	Poor
Gilbert CR. Rd. over Rock CR	1975	50	Fair
Gillespie Slideroc over Clark Fork	1965	50	Fair
Gold CR Rd over Gold CR	1983	50	Fair
Lewis/clark Cmpgrd over Lolo CR	1964	50	Fair
Marshall Lake Rd over W Fk Clearwater	2008	50	Good
Mattie V over Ninemile CR	1979	50	Fair
Mormon Pk Rd over Lolo CR	1958	50	Fair
Nfsr over Condon Creek	2010	50	Fair
No Data Entered over Blind Canyon	1991	50	Fair
No Data Entered over Blind Canyon Creek	1985	50	Fair
No Data Entered over Clearwater River	2005	50	Good
Rattlesnake CR Rd over Rattlesnake Creek	1981	50	Fair
Sawpit over Ninemile CR	1970	50	Fair
Spook Lake Rd over Owl Creek	1980	50	Fair
Trevi CR Rd over So Fk Lolo CR	1981	50	Fair
W K Gold CR Rd over West Fork Gold Creek	1997	50	Fair
W.side 9-mile Rd over Ninemile CR.	1968	50	Fair
Wahlquist Br Road over Rock Creek	1961	50	Poor
West Fk Butte Rd over Lolo CR	1936	50	Fair
Cottonwood Lakes over Trail Creek	2011	40	Good
County Road over Cold Creek	2012	40	Good
Forest Road over Beaver Creek	2015	40	Good
Forest Road over Condon Creek	2010	40	Good
Forest Road over Kraft Creek	2004	40	Good
Forest Road over North Fork Cold Creek	2012	40	Good
Forest Road over North Fork Cold Creek	2012	40	Good
Forest Road over Red Butte Creek	2004	40	Good
Gold Ridge Road over Gold Creek	2013	40	Good
Nfsr over Smith Creek	2010	40	Good
No Data Entered over Butler CR	1980	40	Good
No Data Entered over Mccormick CR	1973	40	Fair
Road 4209 over North Creek	2008	40	Good
S Fk Placid CR Rd over Placid CR	1976	40	Good
W Fk Clearwater Rd over Clearwater River	1951	40	Fair
0402: Cap Wallace over Elk Creek	1991	25	Good
0427: Mcnamara Roa over Belmont Creek	2020	25	Good
0427: Mcnamara Roa over Blackfoot River	1964	25	Fair
Irr Bia Rte 1015 over Hicks Creek	2001	20	Fair
Farm Access over Frenchtown Main Canal	1970	10	Fair
Forest Road over Elk Creek	1981	10	Good
Forest Road over Glacier Creek	1981	10	Fair
Kraft Creek Rd over Glacier Creek	2019	10	Fair
Forest Road over Beaver Creek	1970	5	Good
Forest Road over Kraft Creek	1985	1	Good

Source: FHWA National Bridge Inventory, 2025.

Missoula County bridge conditions · Montana bridges by county.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.