US136/N4 over Big Blue River
Gage County, Nebraska · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US136/N4 over Big Blue River in Gage 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 1937 and reconstructed in 1975, making it 88 years old at the 2025 inventory.
- It carries about 7,660 vehicles a day (traffic count year 2018).
- Its listed owner is the state highway agency.
- It is one of 223 of the 394 inventoried bridges in Gage County rated fair (56.6%); 34 (8.6%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its class is unchanged from 2024 (fair), but component ratings moved: deck 5 to 6.
- Its most recent inspection on record is dated July 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 → (40.2659, -96.7542)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 286 ft |
| Location | In Beatrice |
| NBI structure number | S136 17726 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | July 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 Gage County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US77 over Indian Creek | 1962 | 14,000 | Fair |
| US77 over BNSF RR 064-439-y | 2001 | 9,030 | Good |
| US77 over Big Blue River | 1949 | 9,030 | Fair |
| Sb-us77 over Indian Creek | 1993 | 8,570 | Good |
| Nb-us77 over Indian Creek | 1993 | 8,570 | Good |
| US77 over Possum Creek Trib | 1990 | 8,395 | Good |
All bridges nearby: Gage County, NE bridge conditions · every bridge in Gage County · Nebraska bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.