US Bridges

SR-128 over Big Bend Wash

Fair

Grand County, Utah · 8.8 Miles North of Moab · Structure no. 0E1007

Built
1959
66 years old, rebuilt 2006
Condition
Fair
inspected September 2023
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
1,120
2022 count
Owner
State
State Highway Agency

About this bridge

SR-128 over Big Bend Wash is a concrete continuous culvert carrying SR-128 over Big Bend Wash in Grand County, Utah. It was built in 1959 and reconstructed in 2006, so it is 66 years old, older 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 6 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 1,120 vehicles a day, roughly 25% of them trucks, projected to reach 1,344 by 2042. The structure is 27 ft (8.1 m) long and 56 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesSR-128
CrossesBig Bend Wash
Location8.8 Miles North of Moab
RouteState Highway 128
CountyGrand County
StateUtah
Coordinates38.65033, -109.48136
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length27 ft (8.1 m)
Longest span12 ft (3.7 m)
Deck width56 ft (17.1 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,120 (2022)
Projected traffic1,344 by 2042
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR-128 over Big Bend Wash built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2006.

What condition is SR-128 over Big Bend Wash 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 September 2023.

How much traffic does SR-128 over Big Bend Wash carry?

About 1,120 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is SR-128 over Big Bend Wash?

The structure is 27 ft (8.1 m) long with a longest span of 12 ft (3.7 m) and a deck 56 ft wide.

Who owns SR-128 over Big Bend Wash?

It is owned by the State Highway Agency.