US Bridges

SR-147 over Spanish Fork River

Fair

Utah County, Utah · 2.2 Miles W. Spanish Fork · Structure no. 0F 565

Built
1989
36 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
107 ft
1 main span
Daily traffic
1,960
2014 count
Owner
State
State Highway Agency

About this bridge

SR-147 over Spanish Fork River is a prestressed concrete stringer/multi-beam or girder carrying SR-147 over Spanish Fork River in Utah County, Utah. It was built in 1989, so it is 36 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 1,960 vehicles a day, roughly 23% of them trucks, projected to reach 2,450 by 2034. The structure is 107 ft (32.7 m) long and 43 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesSR-147
CrossesSpanish Fork River
Location2.2 Miles W. Spanish Fork
RouteState Highway 147
CountyUtah County
StateUtah
Coordinates40.11492, -111.6982
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating57.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length107 ft (32.7 m)
Longest span104 ft (31.7 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,960 (2014)
Projected traffic2,450 by 2034
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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-147 over Spanish Fork River built?

It was built in 1989, making it 36 years old in 2025.

What condition is SR-147 over Spanish Fork 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 September 2024.

How much traffic does SR-147 over Spanish Fork River carry?

About 1,960 vehicles per day (2014 count), of which roughly 23% are trucks.

How long is SR-147 over Spanish Fork River?

The structure is 107 ft (32.7 m) long with a longest span of 104 ft (31.7 m) and a deck 43 ft wide.

Who owns SR-147 over Spanish Fork River?

It is owned by the State Highway Agency.