US Bridges

Washington Parkway over I-15 NB and SB

Fair

Washington County, Utah · MP 13 Access Road · Structure no. 0C 922

Built
2005
20 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
323 ft
2 main spans
Daily traffic
—
2023 count
Owner
State
State Highway Agency

About this bridge

Washington Parkway over I-15 NB and SB is a steel stringer/multi-beam or girder carrying Washington Parkway over I-15 NB and SB in Washington County, Utah. It was built in 2005, so it is 20 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.

No traffic count is recorded. The structure is 323 ft (98.5 m) long and 92 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesWashington Parkway
CrossesI-15 NB and SB
LocationMP 13 Access Road
RouteCity Street 3153
CountyWashington County
StateUtah
Coordinates37.1472, -113.48752
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.6 US tons
Inventory rating36.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHL 93
Structure length323 ft (98.5 m)
Longest span161 ft (49.2 m)
Deck width92 ft (27.9 m)
Roadway width92 ft (27.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic—
Projected traffic—
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Washington Parkway over I-15 NB and SB built?

It was built in 2005, making it 20 years old in 2025.

What condition is Washington Parkway over I-15 NB and SB 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 Washington Parkway over I-15 NB and SB carry?

No traffic count is recorded for this structure.

How long is Washington Parkway over I-15 NB and SB?

The structure is 323 ft (98.5 m) long with a longest span of 161 ft (49.2 m) and a deck 92 ft wide.

Who owns Washington Parkway over I-15 NB and SB?

It is owned by the State Highway Agency.