US Bridges

SR-172 over Sl&gwrr & Bright

Fair

Salt Lake County, Utah · So. of 5600 W.-I-80 Int. · Structure no. 0F 344

Built
1980
45 years old
Condition
Fair
inspected November 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
127 ft
1 main span
Daily traffic
21,152
2022 count
Owner
State
State Highway Agency

About this bridge

SR-172 over Sl&gwrr & Bright is a prestressed concrete stringer/multi-beam or girder carrying SR-172 over Sl&gwrr & Bright in Salt Lake County, Utah. It was built in 1980, so it is 45 years old, older 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 5 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 21,152 vehicles a day, roughly 33% of them trucks, projected to reach 25,382 by 2042. The structure is 127 ft (38.7 m) long and 96 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesSR-172
CrossesSl&gwrr & Bright
LocationSo. of 5600 W.-I-80 Int.
RouteState Highway 172
CountySalt Lake County
StateUtah
Coordinates40.76837, -112.02504
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80 US tons
Inventory rating43.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length127 ft (38.7 m)
Longest span124 ft (37.8 m)
Deck width96 ft (29.3 m)
Roadway width93 ft (28.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,152 (2022)
Projected traffic25,382 by 2042
Trucks33%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed9.9 mi (16 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 SR-172 over Sl&gwrr & Bright built?

It was built in 1980, making it 45 years old in 2025.

What condition is SR-172 over Sl&gwrr & Bright 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 2022.

How much traffic does SR-172 over Sl&gwrr & Bright carry?

About 21,152 vehicles per day (2022 count), of which roughly 33% are trucks.

How long is SR-172 over Sl&gwrr & Bright?

The structure is 127 ft (38.7 m) long with a longest span of 124 ft (37.8 m) and a deck 96 ft wide.

Who owns SR-172 over Sl&gwrr & Bright?

It is owned by the State Highway Agency.