US Bridges

US-89 (SR-89) over San Pitch River

Fair

Sanpete County, Utah · South Side of Gunnison · Structure no. 0C 916

Built
2003
22 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
95 ft
1 main span
Daily traffic
7,840
2021 count
Owner
State
State Highway Agency

About this bridge

US-89 (SR-89) over San Pitch River is a steel stringer/multi-beam or girder carrying US-89 (SR-89) over San Pitch River in Sanpete County, Utah. It was built in 2003, so it is 22 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 7,840 vehicles a day, roughly 32% of them trucks, projected to reach 9,408 by 2041. The structure is 95 ft (29.1 m) long and 85 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesUS-89 (SR-89)
CrossesSan Pitch River
LocationSouth Side of Gunnison
RouteU.S. Route 89
StateUtah
Coordinates39.14697, -111.81887
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.9 US tons
Inventory rating64.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length95 ft (29.1 m)
Longest span93 ft (28.3 m)
Deck width85 ft (25.8 m)
Roadway width67 ft (20.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,840 (2021)
Projected traffic9,408 by 2041
Trucks32%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemYes

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 US-89 (SR-89) over San Pitch River built?

It was built in 2003, making it 22 years old in 2025.

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

How much traffic does US-89 (SR-89) over San Pitch River carry?

About 7,840 vehicles per day (2021 count), of which roughly 32% are trucks.

How long is US-89 (SR-89) over San Pitch River?

The structure is 95 ft (29.1 m) long with a longest span of 93 ft (28.3 m) and a deck 85 ft wide.

Who owns US-89 (SR-89) over San Pitch River?

It is owned by the State Highway Agency.