US Bridges

US-89 (SR-89) over Pleasant Creek

Fair

Sanpete County, Utah · In Mount Pleasant · Structure no. 0D 394

Built
1935
90 years old
Condition
Fair
inspected June 2023
Type
Frame
Concrete
Length
29 ft
1 main span
Daily traffic
4,380
2014 count
Owner
State
State Highway Agency

About this bridge

US-89 (SR-89) over Pleasant Creek is a concrete frame carrying US-89 (SR-89) over Pleasant Creek in Sanpete County, Utah. It was built in 1935, so it is 90 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 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 4,380 vehicles a day, roughly 41% of them trucks, projected to reach 5,475 by 2034. The structure is 29 ft (8.7 m) long and 132 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesUS-89 (SR-89)
CrossesPleasant Creek
LocationIn Mount Pleasant
RouteU.S. Route 89
CountySanpete County
StateUtah
Coordinates39.54744, -111.45525
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating28.5 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length29 ft (8.7 m)
Longest span24 ft (7.3 m)
Deck width132 ft (40.2 m)
Roadway width101 ft (30.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,380 (2014)
Projected traffic5,475 by 2034
Trucks41%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US-89 (SR-89) over Pleasant Creek built?

It was built in 1935, making it 90 years old in 2025.

What condition is US-89 (SR-89) over Pleasant 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 June 2023.

How much traffic does US-89 (SR-89) over Pleasant Creek carry?

About 4,380 vehicles per day (2014 count), of which roughly 41% are trucks.

How long is US-89 (SR-89) over Pleasant Creek?

The structure is 29 ft (8.7 m) long with a longest span of 24 ft (7.3 m) and a deck 132 ft wide.

Who owns US-89 (SR-89) over Pleasant Creek?

It is owned by the State Highway Agency.