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Every bridge in Pondera County, Montana

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

96 inventoried bridges, busiest first

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

Pondera County, Montana, has 96 bridges in the 2025 National Bridge Inventory: 49 rated good, 43 fair, and 4 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
I 15 over S Pondera Coulee	1964	3,248	Fair
I 15 over Dry Fork Marias River	1972	1,727	Good
I 15 over Dry Fork Marias River	1972	1,727	Good
I 15 over RR	1972	1,727	Good
I 15 over RR	1972	1,727	Good
S 21 over RR	1972	1,725	Good
I 15 over Pondera Canal	1972	1,510	Fair
I 15 over Pondera Canal	1972	1,510	Good
I 15 over Pondera Coulee	1972	1,480	Good
I 15 over Pondera Coulee	1972	1,480	Good
S 21-s Main St over Pondera Coulee	1934	1,245	Good
S 44 over Int Valier I 15	1972	1,118	Fair
S 44 over Irrigation Canal	2003	1,097	Good
Irr - US 89 over Birch Creek	1965	1,012	Fair
Irr - US 89 over Blacktail Creek	1965	1,012	Poor
S 44 over Dupuyer Creek	2003	968	Good
S 44 over Soberup Creek	2003	836	Good
S 21 over Irrigation Canal	1988	706	Fair
Bia Rte 1 over Blacktail Creek	2021	700	Good
Irr Bia Rte 1 over Birch Creek	1966	700	Fair
Irr Bia Rte 1 over Whitetail Creek	1977	700	Good
Pendroy Rd over Drainage	2003	652	Good
Sollid Rd over Pondera Coulee	1971	572	Good
Sollid Rd over Sep Sollid Road-i 15	1972	572	Fair
US 89 over Dupuyer Creek	1980	543	Good
US 89 over Dupuyer Creek Overflow	1968	543	Good
S 21 over Int Midway I 15	1972	540	Poor
US 89 over Dry Fork Marias River	2006	518	Good
US 89 over Jensen Coulee	2006	518	Good
US 89 over Matchett Coulee	2006	518	Good
US 89 over S Fk Dry Fk Marias River	2013	518	Good
US Hwy 91 N over Dry Fork Marias 080	1931	511	Fair
US Hwy 91 N over Pondera Canal 081	1931	511	Fair
Pendroy Rd over Drainage	1955	483	Fair
US 89 over Valier Canal	1965	470	Good
Irr - S 358 over Birch Creek	1965	292	Fair
S 365-brady Rd over Int Brady-i 15	1964	260	Good
Irr - S 358 over Two Medicine River	1968	243	Poor
S 366-ledger Rd over Drainage	1954	187	Fair
S 366-ledger Rd over Int Ledger-i 15	1972	187	Fair
S 366-ledger Rd over Dry Fork Marias River	1952	169	Fair
Valier Dupuyer Rd over Valier Canal 035	1950	120	Good
Blazen Rd over Pondera Coulee 079	2004	100	Fair
Bullhead Rd over Birch Creek 022	1950	100	Fair
Bullhead Rd over Bullhead Creek 021	1960	100	Good
Church Rd S over Pondera Coulee 005	1986	100	Good
Coalmine Rd over Drainage 032	1986	100	Fair
Derby Dr over No Name Coulee 027	2005	100	Good
Dupuyer Creek Rd over Dupuyer Creek 067	1938	100	Fair
Frances Heights Rd over Canal 033	2009	100	Good
Frances Heights Rd over Canal 034	2020	100	Good
Hawkeye Rd over Pondera Coulee 047	1950	100	Fair
Heights Rd over Lake Francis Canal 071	1960	100	Good
Hillside Rd over No Name Ditch 049	1960	100	Fair
Kelly Rd over Pondera Coulee 019	1960	100	Good
Kingston Mine Rd over C Canal 025	1960	100	Fair
Meridian Rd over Pondera Coulee 015	1960	100	Good
Messenger Rd over No Name Coulee 072	1960	100	Fair
Overpass Rd over S Pondera Coulee 014	1982	100	Fair
Overpass Rd over Sep I 15 009	1964	100	Good
Preputin Rd over Pondera Coulee 011	1960	100	Good
Price Rd N over Pondera Coulee 007	1970	100	Fair
Price Rd S over S Pondera Coulee 006	1973	100	Good
Primrose Rd N over Pondera Coulee 018	1979	100	Fair
S 21 over Int Conrad I 15	1972	100	Fair
Skyview Rd S over Dry Fk Marias River 069	1987	100	Good
Skyview Rd S over No Name 070	1960	100	Fair
Stoltz Rd over Birch Creek 001	1976	100	Fair
Swanson Rd over Drainage 062	1986	100	Fair
Trunk Butte Rd over No Name Coulee 078	1960	100	Fair
Westridge Rd over Int Bullhead Rd-i 15 008	1976	100	Fair
Midway Rd W over No Name Coulee 028	2012	97	Good
Old Shelby Rd over Dry Fk Marias River 013	1970	79	Good
Old Shelby Rd over Pondera Canal 012	1960	79	Fair
E Lake Rd over Dry Fk Marias River 030	1960	77	Fair
E Lake Rd over Lake Francis Canal 075	1960	77	Fair
E Lake Rd over Lone Man Coulee	1975	77	Fair
E Lake Rd over Pondera Coulee 029	1960	77	Fair
Sollid Rd over Pondera Coulee	1964	69	Fair
Conrad Dupuyer Rd over Drainage	1965	59	Fair
Midway Rd E over Pondera Coulee 003	1960	59	Fair
Midway Rd E over Pondera Coulee 004	1987	59	Good
Midway Rd E over S Pondera Coulee 002	1960	59	Good
Conrad Dupuyer Rd over Drainage	1953	53	Fair
Conrad Dupuyer Rd over Dry Fork Marias River	1966	53	Fair
Dry Fork Rd over Dry Fk Marias 051	1985	53	Good
Dry Fork Rd over Irrigation Canal 085	2013	53	Good
Dry Fork Rd over No Name Ditch 052	1950	53	Fair
Dry Fork Rd over Spring Creek 050	1987	53	Good
Williams Rd over No Name Ditch 053	1960	53	Fair
Swift Dam Rd over Sheep Creek 082	2014	40	Good
Messenger Rd over Dry Fk Marias River 073	1988	31	Good
Messenger Road over No Name Ditch 074	2023	31	Good
Irr Bia Rte 110 over North Fork Whitetail Crk	1979	30	Good
Sollid Rd over Drainage	1973	16	Poor
Blue Sky Rd over No Name Ditch 076	2020	5	Good

Source: FHWA National Bridge Inventory, 2025.

Pondera County bridge conditions · Montana bridges by county.

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