US Bridges

I-15 (SR-15) Sbl over Co. Rd. Int. X-Rd

Good

Washington County, Utah · Pintura Interchange · Structure no. 3D 628

Built
1959
66 years old, rebuilt 2011
Condition
Good
inspected January 2025
Type
Frame
Concrete
Length
40 ft
1 main span
Daily traffic
22,810
2014 count
Owner
State
State Highway Agency

About this bridge

I-15 (SR-15) Sbl over Co. Rd. Int. X-Rd is a concrete frame carrying I-15 (SR-15) Sbl over Co. Rd. Int. X-Rd in Washington County, Utah. It was built in 1959 and reconstructed in 2011, so it is 66 years old, older 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 22,810 vehicles a day, roughly 42% of them trucks, projected to reach 28,513 by 2034. The structure is 40 ft (12.2 m) long and 63 ft wide.

CarriesI-15 (SR-15) Sbl
CrossesCo. Rd. Int. X-Rd
LocationPintura Interchange
RouteInterstate 15
StateUtah
Coordinates37.34154, -113.27535
Functional classRural Principal Arterial - Interstate

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 inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span35 ft (10.7 m)
Deck width63 ft (19.1 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,810 (2014)
Projected traffic28,513 by 2034
Trucks42%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-15 (SR-15) Sbl over Co. Rd. Int. X-Rd built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2011.

What condition is I-15 (SR-15) Sbl over Co. Rd. Int. X-Rd 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 January 2025.

How much traffic does I-15 (SR-15) Sbl over Co. Rd. Int. X-Rd carry?

About 22,810 vehicles per day (2014 count), of which roughly 42% are trucks.

How long is I-15 (SR-15) Sbl over Co. Rd. Int. X-Rd?

The structure is 40 ft (12.2 m) long with a longest span of 35 ft (10.7 m) and a deck 63 ft wide.

Who owns I-15 (SR-15) Sbl over Co. Rd. Int. X-Rd?

It is owned by the State Highway Agency.