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Every bridge in Madison County, Montana

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

98 inventoried bridges, busiest first

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

Madison County, Montana, has 98 bridges in the 2025 National Bridge Inventory: 34 rated good, 57 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
US 287 over Madison River	2001	4,500	Fair
US 287 over Madison River Overflow	2001	4,500	Good
US 287 over Madison River Overflow	2001	4,500	Good
US 287 over Madison River Overflow	2001	4,500	Good
US 287 over O`dell Creek	2001	4,500	Fair
US 287 over South Willow Creek	1934	4,102	Poor
US 287 over Hot Springs Creek	1997	3,900	Good
Mt 41 over Beaverhead River	1949	2,865	Fair
S 84 over Cherry Creek	1952	2,492	Fair
S 41 over Beaverhead River	1949	2,403	Fair
I 15 over Int Melrose-hwy 91	1973	2,354	Fair
I 15 over Int Melrose-hwy 91	1973	2,354	Fair
S 287 over Weber Irrigation Canal	1950	2,300	Poor
S 84 over Madison River	1992	2,234	Good
S 41 over Jefferson River	1992	2,195	Fair
I 15 over Big Hole River	1973	1,926	Fair
I 15 over Big Hole River	1973	1,926	Fair
I 15 over Rr-hwy 91- Drainage	1974	1,926	Fair
I 15 over Rr-hwy 91-drainage	1974	1,926	Fair
I 15 over Sep Melrose Rd	1973	1,926	Fair
I 15 over Sep Melrose Rd	1973	1,926	Fair
S 287 over Wisconsin Creek	1999	1,901	Fair
S 287 over Alder Creek	1940	1,897	Fair
S 287 over Ramshorn Creek	1940	1,897	Fair
US 287 over Indian Creek	1933	1,782	Fair
S 87 over Madison River	1961	1,490	Fair
US 287 over Granite Creek	2023	1,433	Good
S 359 over Bricker Sparrow Ditch	1958	1,429	Fair
S 359 over Jefferson River	1967	1,429	Fair
S 359 over South Boulder River	1958	1,429	Fair
S 287 over Water Gulch	1942	1,173	Fair
S 249 - Varney Rd over Madison River	2020	449	Good
S 249-varney Rd over Blaine Spring Creek	2016	449	Good
Johnny Ridge Rd over Madison River 001	1967	417	Fair
Ennis Lake Rd over Madison River 032	1990	318	Fair
Jack CR Bench Rd over Jack Creek 031	1952	301	Fair
Jack Creek Rd over Jack Creek 027	1952	301	Fair
Jack Creek Rd over Jack Creek 028	1952	301	Poor
Jack Creek Rd over Jack Creek 029	2011	301	Good
Jack Creek Rd over Jack Creek 030	2011	301	Good
Kountz Rd over Jefferson Riv Ovrflw 016	1977	269	Fair
Kountz Rd over Jefferson River 017	1973	269	Fair
Lewis Ln over Ruby River 021	1975	252	Fair
Melrose Rd over Big Hole River 036	1978	157	Fair
Carney Lane over Parrot Ditch	2023	154	Good
Silver Spring Rd over Ruby River 023	1927	133	Poor
Primrose Ln over Jefferson River	2003	110	Fair
Primrose Ln over Jefferson River Overflow	1977	110	Fair
Burma Rd over Big Hole River 014	1987	100	Fair
Burma Rd over Big Hole River 015	1987	100	Fair
Burma Rd over Big Hole River over 062	2000	100	Good
Carmichael Road over South Boulder River	1999	100	Fair
Cherry Creek Rd over Cherry Creek 052	2009	100	Good
Cliff Lake Rd over Madison River 045	2001	100	Fair
Cottonwood Creek R over Ruby River 061	1984	100	Fair
Duncan District Rd over Ruby River 022	2010	100	Fair
Fishing Access over Irrigation Canal	1991	100	Fair
Flick Lane over Mill Creek	2016	100	Good
Indian Creek Road over Indian Creek	2012	100	Good
Jack Reek Rd over Jack Creek 065	2004	100	Good
Judy Ln over Ruby River 025	2009	100	Good
Judy Ln over Ruby River 026	1984	100	Fair
Kearney Lane over Mill Creek	2015	100	Good
Lake Rd-county Rd over S Willow Creek	1996	100	Fair
Ledford Creek Rd over Ruby River 058	1960	100	Fair
S Boulder Rd over Lwr S Boulder River 054	2008	100	Good
S Boulder Rd over Lwr S Boulder River 066	2003	100	Good
S Boulder Rd over Upr S Boulder River 055	2003	100	Fair
S Willow Creek Rd over South Willow Creek 064	2003	100	Fair
Seyler Ln over Ruby River 019	1976	100	Poor
Sundance Bench Rd over Madison River 046	1902	100	Fair
Sweetwater Rd over Ruby River 059	1998	100	Fair
Toledo Mine Road over Mill Creek	2018	100	Fair
W Armitage St over Moores Creek	2017	100	Good
W Ennis St over Moores Creek	2017	100	Good
W Fagin St over Moores Creek	2017	100	Good
W Steffens St over Moores Creek	2017	100	Good
Ruby River Dr over Ruby River 024	2017	81	Good
Bear Creek Loop over Indian Creek 043	2001	78	Good
Fdr #100 over Ruby River	1999	50	Good
Fdr #1205 over No Data Entered	1985	50	Good
No Data Entered over Burnt CR	1947	50	Fair
No Data Entered over Middle Fk Ruby River	1954	50	Fair
No Data Entered over No Data Entered	2001	50	Good
No Data Entered over W Fk Madison River	1947	50	Poor
Ruby Rd over Cottonwood CR	1954	50	Poor
Ruby Road over Middle Fk Ruby Rive	1947	50	Fair
Ruby-centenntial over East Fk Ruby River	1954	50	Fair
Spanish Creek Road over North Fork Spanish Creek	1967	50	Fair
Spanish Creek Road over South Fork Spanish Creek	1967	50	Good
Taylor Fork Road over Taylor Fork Creek	2004	50	Good
Fs Rte 209 over Madison River	1964	40	Good
No Data Entered over Coal CR	1950	40	Fair
Silverbow Lane over Beaverhead River	2020	36	Good
Fdr 209 over W Fk Madison River	1957	35	Fair
Fdr 209 over W Fk Madison River	1970	30	Fair
No Data Entered over Cottonwood CR	2003	10	Good
Fdr 160 over S.willow CR.	1995	2	Fair

Source: FHWA National Bridge Inventory, 2025.

Madison County bridge conditions · Montana bridges by county.

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