N39 over Clear Creek
Polk County, Nebraska · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- N39 over Clear Creek in Polk County, Nebraska, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
- It was built in 2004, making it 21 years old at the 2025 inventory.
- It carries about 1,120 vehicles a day (traffic count year 2018).
- Its listed owner is the state highway agency.
- It is one of 54 of the 93 inventoried bridges in Polk County rated good (58.1%); 10 (10.8%) are rated poor.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (41.2794, -97.6559)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 8 | Very good condition |
| Superstructure | 8 | Very good condition |
| Substructure | 8 | Very good condition |
Bridge details
| Structure | Continuous prestressed concrete tee beam |
| Length | about 92 ft |
| Location | 3S Silver Creek |
| NBI structure number | S039 00705 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Nebraska department of transportation.
Busiest bridges in Polk County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US81/N92 over Davis Creek | 2022 | 3,970 | Good |
| US81/N92 over Davis Creek | 2005 | 3,970 | Good |
| US81 over N Br Big Blue River | 1985 | 3,950 | Fair |
| US81 over Prairie Creek | 1985 | 3,950 | Good |
| US81 over Davis Creek | 1985 | 3,385 | Good |
| N92 over Platte River Trib | 1939 | 1,360 | Fair |
All bridges nearby: Polk County, NE bridge conditions · every bridge in Polk County · Nebraska bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.