Bridge conditions in Lincoln County, Idaho
53 inventoried bridges · 14 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Of the 53 Lincoln County bridges in the federal inventory, 14 carry a poor rating. That 26.4% share is roughly 4x the national average.
- 14 of the 53 bridges in Lincoln County, Idaho, are rated in poor condition (26.4%) in the 2025 National Bridge Inventory, as of .
- 16 bridges (30.2%) are rated good and 23 (43.4%) fair.
- The median Lincoln County bridge was built in 1976.
- The busiest poor-rated bridge is 620 North Road over Milner Gooding Canal (built 1965), carrying about 560 vehicles a day.
Good 30.2% · Fair 43.4% · Poor 26.4% of 53 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| 620 North Road over Milner Gooding Canal | 1965 | 560 | Poor |
| North Apple Street over Little Wood River | 1920 | 200 | Poor |
| North Birch Street over Little Wood River | 1913 | 200 | Poor |
| STC2784;MILLARD Rd over Milner Gooding Canal | 1955 | 200 | Poor |
| 650 East Road over Milner Gooding Canal | 1940 | 50 | Poor |
| 1320 North Road over East Main Canal | 1950 | 50 | Poor |
| 550 East Road over Milner Gooding Canal | 1940 | 50 | Poor |
| 1150 East Road over East Main Canal | 1977 | 50 | Poor |
| 850 East Road over East Main Canal | 1965 | 30 | Poor |
| 3214: Ruiz Lake over Dietrich Main Canal | 1987 | 25 | Poor |
| 250 West Road over N. Gooding Canal | 1975 | 20 | Poor |
| 30 South Road over Milner Gooding Canal | 1977 | 20 | Poor |
| Old Highway 93 over Big Wood River | 1945 | 10 | Poor |
| Jim Brown Bridge R over Little Wood River | 1965 | 5 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SH 75 over Little Wood River | 1958 | 7,700 | Good |
| SH 75 over Milner Gooding Canal | 2013 | 5,000 | Good |
| SH 75 over Big Wood River | 2013 | 5,000 | Fair |
| SH 75 over Big Wood River | 1955 | 4,500 | Fair |
| SH 75 over North Gooding Canal | 2013 | 4,400 | Good |
| US 93 over Little Wood River | 1987 | 2,300 | Fair |
| US 93 over Milner Gooding Canal | 1987 | 2,100 | Fair |
| SH 24 over Milner Gooding Canal | 2007 | 1,500 | Fair |
| US 93 over Jimmy Byrnes Slough | 1987 | 1,300 | Fair |
| STC2781;4 Mile Rd over Milner Gooding Canal | 1965 | 1,200 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Idaho: Idaho bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.