Coll 7137 over Niobrara River
Sioux County, Nebraska · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Coll 7137 over Niobrara River in Sioux County, Nebraska, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 9 (excellent condition) on the 0-9 scale.
- It was built in 2002, making it 23 years old at the 2025 inventory.
- It carries about 40 vehicles a day (traffic count year 1998).
- Its listed owner is the county highway agency.
- It is one of 21 of the 36 inventoried bridges in Sioux County rated good (58.3%); 1 (2.8%) 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 → (42.5053, -103.8989)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 9 | Excellent condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 32 ft |
| Location | 12.5S 1W of Harrison |
| NBI structure number | C008307005P |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Nebraska department of transportation.
Busiest bridges in Sioux County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| N71 over Wind Spring Draw | 1982 | 745 | Good |
| US20 over Stream | 1940 | 615 | Good |
| N29 over Stream | 1952 | 265 | Good |
| N29 over Stream | 1952 | 265 | Good |
| N29 over Stream | 1952 | 265 | Good |
| N29 over Interstate Canal | 1973 | 240 | Good |
All bridges nearby: Sioux County, NE bridge conditions · every bridge in Sioux County · Nebraska bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.