US Bridges

US-89 (SR-89) over American Fork Creek

Fair

Utah County, Utah · 175 E.Main American Fork · Structure no. 0E2474

Built
2001
24 years old
Condition
Fair
inspected February 2025
Type
Culvert
Concrete
Length
23 ft
1 main span
Daily traffic
29,870
2014 count
Owner
State
State Highway Agency

About this bridge

US-89 (SR-89) over American Fork Creek is a concrete culvert carrying US-89 (SR-89) over American Fork Creek in Utah County, Utah. It was built in 2001, so it is 24 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 29,870 vehicles a day, roughly 16% of them trucks, projected to reach 37,338 by 2034. The structure is 23 ft (7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS-89 (SR-89)
CrossesAmerican Fork Creek
Location175 E.Main American Fork
RouteU.S. Route 89
StateUtah
Coordinates40.37622, -111.79322
Functional classUrban Other Principal Arterial

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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.7 US tons
Inventory rating32.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length23 ft (7 m)
Longest span16 ft (5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,870 (2014)
Projected traffic37,338 by 2034
Trucks16%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 American Fork Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is US-89 (SR-89) over American Fork 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 February 2025.

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

About 29,870 vehicles per day (2014 count), of which roughly 16% are trucks.

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

The structure is 23 ft (7 m) long with a longest span of 16 ft (5 m).

Who owns US-89 (SR-89) over American Fork Creek?

It is owned by the State Highway Agency.