US Bridges

Mvc (SR-85) Sbl over 4300S

Fair

Salt Lake County, Utah · 5800W 4300S · Structure no. 3C1034

Built
2017
8 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
64 ft
1 main span
Daily traffic
13,000
2016 count
Owner
State
State Highway Agency

About this bridge

Mvc (SR-85) Sbl over 4300S is a steel stringer/multi-beam or girder carrying Mvc (SR-85) Sbl over 4300S in Salt Lake County, Utah. It was built in 2017, so it is 8 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 13,000 vehicles a day, roughly 28% of them trucks, projected to reach 16,250 by 2036. The structure is 64 ft (19.6 m) long and 43 ft wide.

Location

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CarriesMvc (SR-85) Sbl
Crosses4300S
Location5800W 4300S
RouteState Highway 85
CountySalt Lake County
StateUtah
Coordinates40.6773, -112.03114
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating39.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length64 ft (19.6 m)
Longest span60 ft (18.3 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,000 (2016)
Projected traffic16,250 by 2036
Trucks28%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 Mvc (SR-85) Sbl over 4300S built?

It was built in 2017, making it 8 years old in 2025.

What condition is Mvc (SR-85) Sbl over 4300S 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 November 2024.

How much traffic does Mvc (SR-85) Sbl over 4300S carry?

About 13,000 vehicles per day (2016 count), of which roughly 28% are trucks.

How long is Mvc (SR-85) Sbl over 4300S?

The structure is 64 ft (19.6 m) long with a longest span of 60 ft (18.3 m) and a deck 43 ft wide.

Who owns Mvc (SR-85) Sbl over 4300S?

It is owned by the State Highway Agency.