US Bridges

US-6 (SR-6) over I-15 (SR-15)

Fair

Utah County, Utah · US-6/MOARK Con.Intchg. · Structure no. 0F 833

Built
2012
13 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
262 ft
2 main spans
Daily traffic
23,962
2012 count
Owner
State
State Highway Agency

About this bridge

US-6 (SR-6) over I-15 (SR-15) is a prestressed concrete continuous stringer/multi-beam or girder carrying US-6 (SR-6) over I-15 (SR-15) in Utah 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 23,962 vehicles a day, roughly 31% of them trucks, projected to reach 29,953 by 2032. The structure is 262 ft (79.9 m) long and 87 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesUS-6 (SR-6)
CrossesI-15 (SR-15)
LocationUS-6/MOARK Con.Intchg.
RouteU.S. Route 6
StateUtah
Coordinates40.12833, -111.64944
Functional classUrban Other Principal 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
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 rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length262 ft (79.9 m)
Longest span138 ft (42.1 m)
Deck width87 ft (26.5 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,962 (2012)
Projected traffic29,953 by 2032
Trucks31%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed5 mi (8 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 US-6 (SR-6) over I-15 (SR-15) built?

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

What condition is US-6 (SR-6) 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 September 2024.

How much traffic does US-6 (SR-6) over I-15 (SR-15) carry?

About 23,962 vehicles per day (2012 count), of which roughly 31% are trucks.

How long is US-6 (SR-6) over I-15 (SR-15)?

The structure is 262 ft (79.9 m) long with a longest span of 138 ft (42.1 m) and a deck 87 ft wide.

Who owns US-6 (SR-6) over I-15 (SR-15)?

It is owned by the State Highway Agency.