US Bridges

SR-145 EB over I-15 (SR-15)

Good

Utah County, Utah · West End A.F.Main Street · Structure no. 2F 785

Built
2010
15 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
385 ft
2 main spans
Daily traffic
24,235
2020 count
Owner
State
State Highway Agency

About this bridge

SR-145 EB over I-15 (SR-15) is a prestressed concrete continuous stringer/multi-beam or girder carrying SR-145 EB over I-15 (SR-15) in Utah County, Utah. It was built in 2010, so it is 15 years old, younger than the Utah average of 40.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 24,235 vehicles a day, roughly 25% of them trucks, projected to reach 30,294 by 2040. The structure is 385 ft (117.3 m) long and 70 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR-145 EB
CrossesI-15 (SR-15)
LocationWest End A.F.Main Street
RouteState Highway 145
StateUtah
Coordinates40.37688, -111.81968
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating32.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length385 ft (117.3 m)
Longest span185 ft (56.4 m)
Deck width70 ft (21.2 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,235 (2020)
Projected traffic30,294 by 2040
Trucks25%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 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 SR-145 EB over I-15 (SR-15) built?

It was built in 2010, making it 15 years old in 2025.

What condition is SR-145 EB over I-15 (SR-15) in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2023.

How much traffic does SR-145 EB over I-15 (SR-15) carry?

About 24,235 vehicles per day (2020 count), of which roughly 25% are trucks.

How long is SR-145 EB over I-15 (SR-15)?

The structure is 385 ft (117.3 m) long with a longest span of 185 ft (56.4 m) and a deck 70 ft wide.

Who owns SR-145 EB over I-15 (SR-15)?

It is owned by the State Highway Agency.