Irr Bia Rte 820 over Deer Creek
Richardson County, Nebraska · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Irr Bia Rte 820 over Deer Creek in Richardson County, Nebraska, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1990, making it 35 years old at the 2025 inventory.
- It carries about 200 vehicles a day (traffic count year 2023).
- It is one of 119 of the 259 inventoried bridges in Richardson County rated fair (45.9%); 35 (13.5%) are rated poor.
- 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 → (40.00503, -95.33544)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 5 | Fair condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 21 ft |
| Location | 1.1 Km. N. of State Line |
| NBI structure number | 00000000000B315 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Nebraska department of transportation.
Busiest bridges in Richardson County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US75 over Little Muddy Creek | 1986 | 3,615 | Good |
| US75 over Dry Branch | 1930 | 3,605 | Fair |
| US75 over Whiskey Run | 1986 | 3,605 | Good |
| US75 over Honey Creek | 1958 | 3,415 | Good |
| US75 over Stream | 1992 | 3,145 | Fair |
| US75 over S Fk Big Nemaha River | 1958 | 3,145 | Fair |
All bridges nearby: Richardson County, NE bridge conditions · every bridge in Richardson County · Nebraska bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.