Local over Bear Creek
Dallas County, Iowa · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Local over Bear Creek in Dallas County, Iowa, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1949, making it 76 years old at the 2025 inventory.
- It carries about 180 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 18 of the 206 inventoried bridges in Dallas County rated poor (8.7%); 18 (8.7%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated November 2023, on a 24-month routine inspection cycle.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (41.51032, -94.09313)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 4 | 4 | Poor condition |
Bridge details
| Structure | Steel culvert |
| Length | about 26 ft |
| Location | 365th 0.67 mi. w. of Knox |
| NBI structure number | 000000000131370 |
| Condition class | Poor |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | November 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Iowa department of transportation.
Busiest bridges in Dallas County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-80 over Panther Creek | 1965 | 32,100 | Good |
| I-80 over Bear Creek | 1965 | 29,500 | Good |
| EB I-80 over over UP RR | 1966 | 27,550 | Fair |
| WB I-80 over over UP RR | 1966 | 26,850 | Fair |
| EB I-80 over Sugar Creek | 1966 | 24,500 | Fair |
| WB I-80 over Sugar Creek | 1966 | 24,050 | Fair |
All bridges nearby: Dallas County, IA bridge conditions · every bridge in Dallas County · Iowa bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.