US183 over Calamus River Tributary
Loup County, Nebraska · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US183 over Calamus River Tributary in Loup County, Nebraska, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 1961 and reconstructed in 1999, making it 64 years old at the 2025 inventory.
- It carries about 520 vehicles a day (traffic count year 2018).
- Its listed owner is the state highway agency.
- It is one of 13 of the 20 inventoried bridges in Loup County rated good (65.0%); 3 (15.0%) 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 March 2023, on a 24-month routine inspection cycle.
- 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 → (42.0461, -99.4852)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 7 | 7 | Good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 20 ft |
| Location | 21N Taylor |
| NBI structure number | S183 14474 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | March 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Nebraska department of transportation.
Busiest bridges in Loup County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| N91 over Leydell Canyon | 1950 | 1,280 | Good |
| N91 over Mccord Canyon | 1994 | 1,280 | Good |
| N91 over Stream | 1950 | 1,280 | Good |
| N91 over N Loup River Tributary | 1950 | 1,280 | Good |
| N91 over Sioux Creek | 1994 | 1,280 | Fair |
| US183 over North Loup River | 1963 | 945 | Fair |
All bridges nearby: Loup County, NE bridge conditions · every bridge in Loup County · Nebraska bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.