Ave 346 over Muddy Creek
Dundy County, Nebraska · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Ave 346 over Muddy Creek in Dundy County, Nebraska, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1935 and reconstructed in 1980, making it 90 years old at the 2025 inventory.
- It carries about 150 vehicles a day (traffic count year 2024).
- Its listed owner is the county highway agency.
- It is one of 11 of the 47 inventoried bridges in Dundy County rated fair (23.4%); 0 (0.0%) 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 September 2024, on a 24-month routine inspection cycle.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (40.2015, -101.3818)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 36 ft |
| Location | Njct US34/N61 8E 9.8N |
| NBI structure number | C002917305 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Nebraska department of transportation.
Busiest bridges in Dundy County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US34 over Stream | 1961 | 1,570 | Good |
| US34 over Arikaree River | 1960 | 1,570 | Fair |
| US34 over Sullivan Draw | 1960 | 1,570 | Fair |
| US34 over Stream | 1938 | 1,520 | Good |
| US34 over Cheyenne Canyon | 1938 | 1,520 | Good |
| US34 over Blackwater Canyon | 1938 | 1,520 | Good |
All bridges nearby: Dundy County, NE bridge conditions · every bridge in Dundy County · Nebraska bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.