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Every bridge in Sanders County, Montana

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

120 inventoried bridges, busiest first

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

Sanders County, Montana, has 120 bridges in the 2025 National Bridge Inventory: 45 rated good, 65 fair, and 10 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
S 200 over Clark Fork River	1997	3,009	Fair
S 200 over Clark Fork River	1996	3,009	Fair
S 200 over RR	2000	2,686	Good
S 200 over Clark Fork River	1960	2,482	Poor
Irr - S 28 over Hot Springs Creek	1959	2,181	Fair
S 200 over Thompson River	2015	2,177	Good
S 200 over Wildlife Crossing	2019	2,177	Good
Irr - S 200 over Seepay Creek	1969	2,167	Fair
S 200 over Beaver Creek	1986	2,069	Good
S 200 over Clark Fork River	1958	2,069	Fair
S 135 over Clark Fork River	1962	2,023	Fair
Irr - S 200 over Magpie Creek	1986	1,980	Good
Irr - S 200 over Revais Creek	1989	1,980	Good
Irr - S 28 over Little Bitterroot River	2010	1,877	Fair
S 200 over Bull River	1952	1,537	Fair
S 200 over RR	1957	1,537	Fair
S 200 over RR	1957	1,537	Poor
Irr - S 212 over Jocko River	1949	934	Good
S 56 Fh 5 over Bull River	1971	692	Fair
S 56 Fh 5 over Bull River	1960	692	Poor
Heron Rd over Cabinet Gorge Res 049	2017	539	Good
Irr - S 382 over Flathead River	1965	391	Fair
Irr - S 382 over RR	1965	391	Poor
Blue Slide Rd over Vermillion River	1972	261	Fair
Klakken Rd over Pilgrim Creek 053	1972	173	Good
Marten Creek Rd over Marten Creek 026	1968	173	Fair
Marten Creek Rd over Trout Creek 054	2010	173	Fair
S 471 Fh 7 over Prospect Creek	1979	138	Fair
5TH Ave S over Clark Fork 085	1975	100	Fair
Bend Rd over Thompson River 040	1991	100	Fair
Big Beaver Creek R over Beaver Creek 019	1978	100	Fair
Big Beaver Creek R over Little Beaver Creek 018	1978	100	Fair
Big Gulch Rd over Little Bitterroot RIV018	2014	100	Good
Birdland Bay Rd over Clark Fork River 001	1928	100	Fair
Cherry Creek Rd over Prospect Creek 005	1973	100	Fair
Ekblad Road over Hot Springs Creek 101	2010	100	Good
Elk Creek Rd over Elk Creek 050	2001	100	Good
Elk Creek Rd over Elk Creek 051	1988	100	Fair
Emerson Rd over Little Bitterroot Rv 092	2002	100	Fair
Far West Rd over Little Bitterroot 060	1991	100	Fair
Green Mountain Rd over Swamp Creek 030	1986	100	Good
Hewolf Dr over Valley Creek 015	1991	100	Fair
Knapp Rd over Little Bitterroot Rv 079	2002	100	Good
Lil Bitterroot Rd over Little Bitterroot 074	1986	100	Fair
Lil Bitterroot Rd over Little Bitterroot Rv 070	1978	100	Poor
Lil Bitterroot Rd over Warm Spring Creek 093	2009	100	Good
Michel Creek Rd over Camas Creek 002	1978	100	Poor
Noxon Ave E over Cabinet Gorge Resv 047	1922	100	Poor
Race Horse Gulch R over Camas Creek 016	1992	100	Good
Revais Creek Road over Revais Creek 102	2012	100	Good
Revais Creek Road over Revais Creek 103	2012	100	Good
Sloan Rd over Flathead River 075	1972	100	Fair
Stevens Ridge Tr over Stevens Creek 105	1992	100	Good
Trout Creek Rd over Trout Creek 025	1982	100	Fair
Upper Reservoir Rd over Irrigation Canal 069	1991	100	Fair
Upper River Rd over Elk Creek 048	1992	100	Fair
Vermilion Riv Rd over Canyon Creek 104	1961	100	Good
Vermilion Riv Rd over Lyons Creek 032	1900	100	Good
W Fk Elk Creek Rd over W Fork Elk Creek 052	1965	100	Fair
White Pine Creek R over White Pine Creek	1961	100	Good
Whitepine CR Rd over Beaver Creek 022	1982	100	Fair
Wilkes Creek Road over Prospect Creek 006	1978	100	Good
Winchester Rd over Elk Creek 057	1992	100	Fair
S 471 Fh 7 over Cooper Creek	1979	84	Fair
S 471 Fh 7 over Prospect Creek	1979	84	Fair
Lower River Rd over Elk Creek 100	1976	66	Good
S 556-thompson R R over Big Rock Creek	2009	56	Good
S 556-thompson R R over Thompson River	1988	56	Good
Acm Rd over Thompson River	1996	50	Good
No Data Entered over Green Gulch	1962	50	Fair
No Data Entered over Middle Fk Bull River	1995	50	Fair
No Data Entered over N Fk E Fk Bull River	1960	50	Fair
No Data Entered over No Data Entered	2010	50	Good
No Data Entered over Prospect Creek	1974	50	Good
No Data Entered over Rock CR	1954	50	Poor
No Data Entered over Rock CR	1959	50	Good
No Data Entered over Vermilion River	1965	50	Fair
No Data Entered over Vermilion River	1959	50	Poor
No Data Entered over Vermilion River	1956	50	Fair
No Data Entered over Whitepine CR	1961	50	Fair
Rd 153 over Clear CR	1968	50	Fair
Rd 153 over Clear CR	1968	50	Fair
Rd 217 over W Fk Swamp CR	1965	50	Fair
Rd 367 over Graves CR	1954	50	Fair
Rd 56 over W F Thompson Riv	1935	50	Fair
Rd 7569 over Fishtrap CR	1963	50	Fair
Rd 7583 over W Fork Swamp CR	1970	50	Fair
Rd 7593 over Fishtrap Creek	1954	50	Fair
Rd 7593 over Radio CR	1955	50	Fair
Rd 7609 over Fishtrap Creek	1957	50	Fair
Rd 7611 over Clear CR	1991	50	Good
Rd 7618 over Wilkes Creek	1973	50	Good
Rd 7670 over Beatrice CR	1959	50	Fair
Rd 7670 over Beatrice Creek	1959	50	Fair
Stony Creek over Stony Lake Creek	2015	50	Good
Lil Thompson R Rd over Little Thompson Riv 091	1974	41	Fair
Thompson R Pass Rd over Thompson River 062	1976	41	Good
No Data Entered over Chipmunk Creek	2002	40	Good
No Data Entered over Cooper Creek	2000	40	Good
No Data Entered over Fishtrap Creek	2009	40	Good
No Data Entered over Mcginnis Creek	1960	40	Fair
No Data Entered over N.f. Little Thompson	2005	40	Good
No Data Entered over No Data Entered	2005	40	Good
No Data Entered over West Fork Dry Creek	1992	40	Good
Rd 7688 over W Fk Fishtrap	1965	40	Fair
W Fk Thompson Rd over Honeymoon CR	2007	40	Good
Irr Bia Route 166 over Revais Creek	2014	30	Fair
Irr Bia Rte 130 over West Magpie Creek	2003	30	Good
Irr Bia Rte 166 over Revias Creek	2014	30	Good
Irr Bia Rte 166 over Revias Creek	2002	30	Good
No Data Entered over East Fk Bull River	1963	30	Fair
No Data Entered over White Pine CR	1960	30	Fair
Irr Bia Rte 123 over South Fork Valley Creek	1995	20	Poor
No Data Entered over Beaver Creek	1965	20	Fair
No Data Entered over Big Beaver	1976	20	Good
No Data Entered over East Fk Bull River	1963	20	Fair
No Data Entered over Miller CR	1956	20	Fair
No Data Entered over N Branch Marten Creek	1967	20	Fair
Irr Bia Rte 127 over Mill Pocket-camas Canal	2004	10	Fair
S 556-thompson R R over Thompson River	1992	3	Fair

Source: FHWA National Bridge Inventory, 2025.

Sanders County bridge conditions · Montana bridges by county.

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