US Bridges

Interchg. X-Road. over SR-7 Southern Parkway

Fair

Washington County, Utah · At the Airport Interchg. · Structure no. 0F 839

Built
2010
15 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
166 ft
2 main spans
Daily traffic
614
2017 count
Owner
State
State Highway Agency

About this bridge

Interchg. X-Road. over SR-7 Southern Parkway is a prestressed concrete stringer/multi-beam or girder carrying Interchg. X-Road. over SR-7 Southern Parkway in Washington 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 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 614 vehicles a day, projected to reach 737 by 2037. The structure is 166 ft (50.5 m) long and 90 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesInterchg. X-Road.
CrossesSR-7 Southern Parkway
LocationAt the Airport Interchg.
RouteCity Street 3151
CountyWashington County
StateUtah
Coordinates37.0146, -113.49427
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.5 US tons
Inventory rating59 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length166 ft (50.5 m)
Longest span81 ft (24.8 m)
Deck width90 ft (27.4 m)
Roadway width71 ft (21.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic614 (2017)
Projected traffic737 by 2037
Trucks0%
Lanes on structure3
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 Interchg. X-Road. over SR-7 Southern Parkway built?

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

What condition is Interchg. X-Road. over SR-7 Southern Parkway 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 Interchg. X-Road. over SR-7 Southern Parkway carry?

About 614 vehicles per day (2017 count).

How long is Interchg. X-Road. over SR-7 Southern Parkway?

The structure is 166 ft (50.5 m) long with a longest span of 81 ft (24.8 m) and a deck 90 ft wide.

Who owns Interchg. X-Road. over SR-7 Southern Parkway?

It is owned by the State Highway Agency.