SR-55 over City Street and UPRR
Carbon County, Utah · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR-55 over City Street and UPRR in Carbon County, Utah, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1979, making it 46 years old at the 2025 inventory.
- It carries about 10,103 vehicles a day (traffic count year 2017).
- Its listed owner is the state highway agency.
- It is one of 13 of the 72 inventoried bridges in Carbon County rated good (18.1%); 2 (2.8%) 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 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 → (39.60099, -110.81953)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 679 ft |
| Location | West Side of Price |
| NBI structure number | 0C 682 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Utah department of transportation.
Busiest bridges in Carbon County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US-6 (SR-6) over Price River | 1952 | 15,754 | Fair |
| US-6 (SR-6) over Consumers Wash | 1951 | 15,754 | Fair |
| US-6 (SR-6) over SR-55 | 1985 | 14,196 | Fair |
| SR-55 W.price Conn over Price River | 1977 | 14,181 | Good |
| US-6 (SR-6) over Carbon Canal | 1978 | 14,042 | Fair |
| US-6 (SR-6) over Gordon Creek | 1978 | 14,042 | Fair |
All bridges nearby: Carbon County, UT bridge conditions · every bridge in Carbon County · Utah bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.