SR-128 over Colorado River
FairGrand County, Utah · At DEWEY-30 Mi.No.Of Moab · Structure no. 0C 734
- Built
- 1986
- 39 years old
- Condition
- Fair
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 594 ft
- 3 main spans
- Daily traffic
- 405
- 2014 count
- Owner
- State
- State Highway Agency
About this bridge
SR-128 over Colorado River is a steel continuous stringer/multi-beam or girder carrying SR-128 over Colorado River in Grand County, Utah. It was built in 1986, so it is 39 years old, younger than the Utah average of 40.1 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 405 vehicles a day, roughly 25% of them trucks, projected to reach 507 by 2034. The structure is 594 ft (180.9 m) long and 42 ft wide. If it were closed, the detour would be 123.7 mi (199 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR-128 over Colorado River built?
It was built in 1986, making it 39 years old in 2025.
What condition is SR-128 over Colorado River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.
How much traffic does SR-128 over Colorado River carry?
About 405 vehicles per day (2014 count), of which roughly 25% are trucks.
How long is SR-128 over Colorado River?
The structure is 594 ft (180.9 m) long with a longest span of 226 ft (68.9 m) and a deck 42 ft wide.
Who owns SR-128 over Colorado River?
It is owned by the State Highway Agency.