US Bridges

Dixie Dr. Int.X-Rd over I-15 (SR-15)

Fair

Washington County, Utah · At the Dixie Drive Intchg · Structure no. 0F 808

Built
2012
13 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
177 ft
2 main spans
Daily traffic
1,390
2022 count
Owner
State
State Highway Agency

About this bridge

Dixie Dr. Int.X-Rd over I-15 (SR-15) is a prestressed concrete continuous stringer/multi-beam or girder carrying Dixie Dr. Int.X-Rd over I-15 (SR-15) in Washington County, Utah. It was built in 2012, so it is 13 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 1,390 vehicles a day, projected to reach 1,668 by 2042. The structure is 177 ft (54.1 m) long and 199 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesDixie Dr. Int.X-Rd
CrossesI-15 (SR-15)
LocationAt the Dixie Drive Intchg
RouteCity Street 3166
CountyWashington County
StateUtah
Coordinates37.07526, -113.58519
Functional classUrban Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.8 US tons
Inventory rating17.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length177 ft (54.1 m)
Longest span92 ft (28.1 m)
Deck width199 ft (60.8 m)
Roadway width92 ft (28 m)
Vertical clearance over deck18 ft (5.5 m)

Traffic and service

Average daily traffic1,390 (2022)
Projected traffic1,668 by 2042
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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 Dixie Dr. Int.X-Rd over I-15 (SR-15) built?

It was built in 2012, making it 13 years old in 2025.

What condition is Dixie Dr. Int.X-Rd over I-15 (SR-15) 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 January 2023.

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

About 1,390 vehicles per day (2022 count).

How long is Dixie Dr. Int.X-Rd over I-15 (SR-15)?

The structure is 177 ft (54.1 m) long with a longest span of 92 ft (28.1 m) and a deck 199 ft wide.

Who owns Dixie Dr. Int.X-Rd over I-15 (SR-15)?

It is owned by the State Highway Agency.