516TH Road over Elkhorn River Overflow
Antelope County, Nebraska · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 516TH Road over Elkhorn River Overflow in Antelope 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 1965, making it 60 years old at the 2025 inventory.
- It carries about 255 vehicles a day (traffic count year 1998).
- Its listed owner is the county highway agency.
- It is one of 91 of the 162 inventoried bridges in Antelope County rated fair (56.2%); 24 (14.8%) 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 9 to 8.
- Its most recent inspection on record is dated November 2024, on a 24-month routine inspection cycle.
- It is coded scour critical (NBI item 113 = 3): scour critical: foundations unstable for the assessed or calculated scour.
- 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 → (42.181, -98.184)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 9 | 8 | Very good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 70 ft |
| Location | .5N of Clearwater |
| NBI structure number | C000221315 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | November 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 3: scour critical: foundations unstable for the assessed or calculated scour |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Nebraska department of transportation.
Busiest bridges in Antelope County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US275 over Belmar Creek | 1934 | 5,185 | Fair |
| US275 over Giles Creek | 1935 | 3,880 | Fair |
| US275 over Elkhorn River | 1983 | 3,575 | Fair |
| US275 over Cedar Creek | 1935 | 3,500 | Poor |
| US275 over Elkhorn River Tributary | 1935 | 3,480 | Fair |
| US275 over Saint Clair Creek | 1988 | 3,480 | Fair |
All bridges nearby: Antelope County, NE bridge conditions · every bridge in Antelope County · Nebraska bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.