US Bridges

SR-128 over Professor Creek

Fair

Grand County, Utah · 21.3 Miles North of Moab · Structure no. 0E2247

Built
1985
40 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete Continuous
Length
45 ft
2 main spans
Daily traffic
364
2017 count
Owner
State
State Highway Agency

About this bridge

SR-128 over Professor Creek is a concrete continuous culvert carrying SR-128 over Professor Creek in Grand County, Utah. It was built in 1985, so it is 40 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 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 364 vehicles a day, roughly 25% of them trucks, projected to reach 437 by 2037. The structure is 45 ft (13.7 m) long and 44 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesSR-128
CrossesProfessor Creek
Location21.3 Miles North of Moab
RouteState Highway 128
CountyGrand County
StateUtah
Coordinates38.71356, -109.37253
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 protection6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.8 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length45 ft (13.7 m)
Longest span21 ft (6.5 m)
Deck width44 ft (13.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic364 (2017)
Projected traffic437 by 2037
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 Professor Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is SR-128 over Professor Creek 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 Professor Creek carry?

About 364 vehicles per day (2017 count), of which roughly 25% are trucks.

How long is SR-128 over Professor Creek?

The structure is 45 ft (13.7 m) long with a longest span of 21 ft (6.5 m) and a deck 44 ft wide.

Who owns SR-128 over Professor Creek?

It is owned by the State Highway Agency.