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Every bridge in Roosevelt County, Montana

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

57 inventoried bridges, busiest first

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

Roosevelt County, Montana, has 57 bridges in the 2025 National Bridge Inventory: 14 rated good, 36 fair, and 7 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
Irr - US 2 over Little Wolf Creek	1988	4,269	Fair
Irr - US 2 over Mosquito Creek	1986	4,269	Fair
Irr - US 2 over Poplar River	2000	2,296	Fair
S 16 over Sheep Creek	1970	2,129	Fair
Irr - US 2 over Chelsea Creek	1960	2,054	Poor
Irr - US 2 over Tule Creek	1958	2,054	Fair
Irr - US 2 over Wolf Creek	1956	1,982	Fair
US 2 over Shotgun Creek	2010	1,765	Fair
US-2 over Clover Creek	2020	1,651	Fair
US 2 over Little Muddy Creek	2010	1,516	Fair
US 2 over Red Bank Creek	2010	1,516	Good
Irr - US 2 over Flynn Creek	1956	1,479	Fair
Irr - S 13 over Drainage	1978	1,468	Fair
Irr - S 13 over Little Wolf Creek	1978	1,468	Fair
Irr - US 2 over Drainage	1970	1,452	Poor
Irr - US 2 over Drainage	1970	1,402	Good
Irr - S 13 over Missouri River	1998	1,163	Fair
US 2 over Clover Creek	1967	1,144	Fair
S 16 over Clover Creek-rr	1957	1,136	Fair
S 16 over Lost Creek	1976	918	Fair
Irr - US 2 over Big Muddy River	2012	917	Fair
Poplar River Rd over Poplar River 013	1957	563	Fair
Poplar River Rd over Poplar River 015	1985	563	Poor
Irr Bia Rte 7 over Poplar River	2002	481	Fair
Irr - S 13 over Chelsea Creek	1992	368	Fair
Irr - S 13 over Tule Creek	1991	368	Fair
S 327 over Drainage	1999	275	Good
S 327 over Drainage	2020	267	Good
S 327 over Little Muddy Creek	2020	267	Good
S 327 over Little Muddy Creek	2020	267	Fair
Irr Bia Rte 34 over Box Elder Creek	1997	250	Good
Irr - S 13 over Box Elder Creek	2019	229	Good
Irr - S 13 over Midway Coulee	1932	229	Fair
Irr - S 13 over Sprague Coulee	1931	229	Poor
Irr - S 13 over W Fork Poplar R Overflow	2005	229	Fair
Irr - S 13 over W Fork Poplar R Ovrflow	1932	229	Poor
Irr - S 13 over W Fork Poplar River	2005	229	Fair
Irr Bia Rte 40 over Poplar River	2000	200	Good
Irr - S 344 over Sheep Creek	1956	197	Fair
Irr - S 344 over Big Muddy Creek	1956	153	Fair
Irr - S 251 over Drainage	1948	145	Fair
County Road 1010 over East Fork Shotgun 056	1988	100	Fair
County Road 249 over Sheep Creek 061	1999	100	Good
Irr County Road 20 over Smoke Creek 016	1955	100	Fair
Irrcounty Road 208 over Poplar River 039	1964	100	Fair
Irrcounty Road 221 over Smoke Creek 025	2004	100	Fair
Irrcounty Road 380 over Smoke Creek 017	1957	100	Fair
Rd 2051 over East Shotgun Creek 057	2023	100	Good
Road 1077 over Cottonwood Creek 018	1995	100	Good
Slab Rd over Big Muddy Creek 038	1950	100	Fair
Three Corners Rd over Smoke Creek 024	2016	100	Good
Irr - S 344 over Smoke Creek	1960	91	Fair
Irr - S 251 over Drainage	2023	88	Good
Irr - S 251 over Hay Creek	1950	88	Poor
Irr - S 251 over Kirn Coulee	2008	88	Good
S Bainville Rd over Little Muddy Creek 049	1995	42	Fair
County Road 641 over Sheep Creek 002	1986	9	Poor

Source: FHWA National Bridge Inventory, 2025.

Roosevelt County bridge conditions · Montana bridges by county.

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