Water Treatment Rd over I-80 (SR-80) EB and WB
Salt Lake County, Utah · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Water Treatment Rd over I-80 (SR-80) EB and WB in Salt Lake County, Utah, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 3 (serious condition) on the 0-9 scale.
- It was built in 1973, making it 52 years old at the 2025 inventory.
- It carries about 25 vehicles a day (traffic count year 2012).
- Its listed owner is the state highway agency.
- It is one of 29 of the 666 inventoried bridges in Salt Lake County rated poor (4.4%); 29 (4.4%) are rated poor.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (40.74372, -111.73112)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 3 | Serious condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 5 | Fair condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 236 ft |
| Location | Below Mt. Dell Reservoir |
| NBI structure number | 0C 562 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Utah department of transportation.
Busiest bridges in Salt Lake County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-15 (SR-15) Nbl over Andy AVE.(2250 S.)& | 2000 | 268,370 | Fair |
| I-15 NB Col-dist over Rt.pond .& Uta Tracks | 1999 | 268,370 | Good |
| I-15NB Col-dist.rp over Drainage Water Ret. Pond | 2000 | 268,370 | Good |
| I-15 (SR-15) Nbl over 2100 South Street | 2000 | 268,370 | Fair |
| I-15 NB Col-dist. over 2100 South Street | 1999 | 268,370 | Fair |
| I-15 (SR-15) Sbl over Andy AVE.(2250 S.)& | 1999 | 268,370 | Fair |
All bridges nearby: Salt Lake County, UT bridge conditions · every bridge in Salt Lake County · Utah bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.