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Every bridge in Glacier County, Montana

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

71 inventoried bridges, busiest first

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

Glacier County, Montana, has 71 bridges in the 2025 National Bridge Inventory: 28 rated good, 40 fair, and 3 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 RR	1997	3,716	Good
Irr - US 2 over Cut Bank Creek	2007	3,523	Fair
Irr - US 2 over RR	1997	2,515	Good
Irr - US 89 over St Marys River	1956	2,355	Fair
Going-to-the-sun R over Divide Creek	1934	2,300	Fair
Going-to-the-sun R over St. Mary River	1934	2,300	Fair
US 2 over Two Medicine Irr Canal	1942	2,130	Fair
Irr - US 2 over Flatiron Creek	1957	2,128	Fair
Irr - US 2 over Willow Creek	1957	2,128	Fair
Irr - S 49 over Two Medicine River 001	1966	2,059	Fair
Going-to-the-sun R over Baring Creek	1932	1,942	Fair
Going-to-the-sun R over Rose Creek	2013	1,942	Good
Rising Sun Campgro over Roes Creek	1965	1,942	Fair
Irr - US 2 over Two Medicine River	2012	1,939	Fair
Irr - US 2 over Midvale Creek	2001	1,928	Fair
Irr - US 89 over N Fork Cut Bank Creek	1987	1,718	Good
Irr - US 89 over South Fork Milk River	2022	1,718	Good
Irr - US 89 over Two Medicine Canal	1950	1,475	Fair
S 213 over RR	2012	1,321	Good
Irr - US 89 over Agency Creek	1966	1,266	Fair
Irr - US 89 over Badger Creek	1966	1,266	Fair
US 89 over Two Medicine River	1950	1,266	Fair
Irr - US 89 over Lake Creek	2018	1,148	Good
Irr - US 89 over S Fork Cut Bank Creek	2018	1,148	Good
Irr Bia Rte 10 over Willow Creek	2000	1,120	Fair
Irr Bia Rte 10 over Willow Creek	2000	1,120	Fair
Duck Lake Rd over Cut Bank Creek	1965	1,046	Fair
Irr Bia Rte 1 over Badger Creek	1967	1,000	Fair
Irr Bia Rte 1 over Little Badger Creek	1972	1,000	Fair
Irr Bia Rte 1 over Two Medicine River	1967	1,000	Fair
Emigrant Gap Rd over St Mary Canal 046	1991	966	Good
Duck Lake Rd over Dry Fork Milk River	1977	866	Fair
Duck Lake Rd over South Fork Milk River	1987	821	Good
Irr - US 89 over Kennedy Creek	1976	510	Good
Irr Bia Rte 4 over Four Horns Canal	1972	500	Good
Irr Bia Rte 4 over Whitetail Creek	1972	500	Fair
Irr Bia Rte 8 over Cut Bank Creek	1965	500	Fair
Many Glacier Road over Apikuni Creek	1931	452	Fair
Irr Bia Rte 130 over St. Mary River	1964	300	Fair
Irr Bia Rte 130 over Swift Current Creek	1966	300	Fair
Many Glacier Road over Swift Current Creek	2014	300	Good
Irr - S 358 over Spring Creek	1968	267	Good
Chief Mountain Int over Lee Creek	1935	246	Fair
Meriwether Rd over Cobelle Coulee	1959	213	Good
Meriwether Rd over Cut Bank Creek	2002	213	Good
Meriwether Rd over Willow Creek	2002	213	Good
Two Medicine Road over Appistoki Creek	1929	183	Fair
Two Medicine Road over Two Medicine River	1950	183	Fair
Irr - S 213 over Rocky Coulee	2011	160	Good
S 213 over S Fork Milk River	1973	129	Fair
Pardue Rd over Cutbank Creek 035	2017	102	Good
Camp Nine Rd over St Mary River 054	2008	100	Good
Galbreath Rd over St Mary Canal 045	1991	100	Good
Gunsight Rd over Two Medicine Canal 01	1989	100	Fair
Irr Bia Rte 2 over Dawson Creek	1932	100	Poor
Irrcounty Road 227 over St Mary Canal 058	1986	100	Good
Reagan Rd over Rocky Coulee 039	2004	100	Good
Sullivan Bridge Rd over Marias River 030	1968	100	Fair
Welch Rd over Two Medicine Canal 016	1960	100	Good
Irr Bia Rte 191 over Forty Mile Creek	1990	75	Good
Irr Bia Rte 2 over S Frk Two Medicine River	1962	75	Fair
Irr Rte Bia 55 over Willow Creek Tributary	2005	70	Fair
Irr Bia Rte 13 over Cut Bank Creek	1966	60	Good
Irr Bia Rte 13 over Greasewood Creek	1984	60	Good
Irr Bia Rte 13 over South Fork Milk River	1979	60	Poor
Irr Bia Rte 191 over Two Medicine Creek	1969	50	Poor
Nps Service Road over Upper Divide Creek	1970	50	Fair
Irr Bia Rte 25 over Badger Creek	1979	30	Fair
Irr Bia Rte 25 over Badger Creek	2002	20	Fair
Irr Bia Rte 13 over St Mary Canal	2002	10	Good
Irr Bia Rte 57 over Two Medicine Main Canal	1990	10	Fair

Source: FHWA National Bridge Inventory, 2025.

Glacier County bridge conditions · Montana bridges by county.

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