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Every bridge in Chouteau County, Montana

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

43 inventoried bridges, busiest first

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

Chouteau County, Montana, has 43 bridges in the 2025 National Bridge Inventory: 25 rated good, 16 fair, and 2 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
US 87 over Abandoned Railroad	1974	1,727	Fair
Irr - US 87 over Big Sandy Creek	1990	1,694	Good
Irr - US 87 over School Section Coulee	1970	1,694	Good
US 87 over Marias River	1988	1,417	Good
S 80-13th St over Missouri River	1962	930	Poor
S 80 over RR	1953	849	Fair
S 80 over Shonkin Creek	2003	696	Good
S 223 over Teton River	1953	541	Fair
S 80 over Boyle-o`hanlon Coulees	1939	479	Fair
Broadway Ave over Highwood Creek	1999	372	Good
S 80 over Drainage	1995	363	Good
S 80 over Chimney Rock	1949	235	Fair
S 80 over Flat Creek	1949	235	Fair
S 80 over Tributary Flat Creek	1949	235	Fair
Irr Bia Rte 30 over Box Elder Creek	2012	200	Good
S 80 over Butte Creek	1950	158	Fair
S 80 over Cowboy Steele Creek	1950	158	Fair
Bishop Creek Rd over Shonkin Creek 016	1930	100	Fair
Burley Hill Rd over Highwood Creek 012	1938	100	Fair
Dent Bridge Rd over Teton River 053	1986	100	Good
Gap Rd over Highwood Creek 042	2005	100	Good
Geyser Cutoff Rd over Cottonwood Creek 052	1975	100	Good
Hopp Rd over Eagle Creek 049	1971	100	Fair
Lander Crossing over Highwood Creek 060	1986	100	Fair
Las Vegas Loop over RR 059	1938	100	Fair
Loma Bridge Rd over Missouri River 002	1991	100	Good
Lower Maris Rd over Teton River 011	1992	100	Good
Shepherd X-ing Rd over Highwood Creek 001	2017	100	Good
Stagecoach Trail over Shonkin Creek 006	2002	100	Good
Upper Highwood CR over Highwood Creek 039	2020	100	Good
Upper Highwood CR over Highwood Creek 040	2023	100	Good
Upper Highwood CR over Highwood Creek 041	2005	100	Good
Upper Highwood CR over Highwood Creek 068	2015	100	Good
Upper Highwood CR over Highwood Creek 069	1969	100	Poor
Upper Highwood CR. over Highwood Creek 076	2024	100	Good
Buck Bridge Rd over Teton River	1981	99	Good
Bootlegger Trail over Teton River	1966	41	Good
Nfsr 8840 over N.f. Highwood	2001	40	Good
Nfsr 8840 over N.f. Highwood Creek	2001	40	Good
Nfsr 8841 over N.f. Highwodd Creek	2014	40	Good
Nfsr 8841 over North Fork Highwood CR.	2007	40	Good
Shonkin Rd over Shonkin Creek 017	2011	40	Fair
Pn Bridge Rd over Missouri River	1982	39	Fair

Source: FHWA National Bridge Inventory, 2025.

Chouteau County bridge conditions · Montana bridges by county.

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