US Bridges

Big Cttnwd.Cyn.Rd. over Big Cottonwood Creek

Fair

Salt Lake County, Utah · 0.5 Mi.Se.Knudsen Corner · Structure no. 035063D

Built
1996
29 years old
Condition
Fair
inspected December 2023
Type
Frame
Concrete
Length
28 ft
1 main span
Daily traffic
1,260
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

Big Cttnwd.Cyn.Rd. over Big Cottonwood Creek is a concrete frame carrying Big Cttnwd.Cyn.Rd. over Big Cottonwood Creek in Salt Lake County, Utah. It was built in 1996, so it is 29 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 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 1,260 vehicles a day, roughly 1% of them trucks, projected to reach 1,531 by 2030. The structure is 28 ft (8.6 m) long and 66 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesBig Cttnwd.Cyn.Rd.
CrossesBig Cottonwood Creek
Location0.5 Mi.Se.Knudsen Corner
RouteCounty Highway 0
CountySalt Lake County
StateUtah
Coordinates40.62617, -111.80028
Functional classUrban Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating21.4 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length28 ft (8.6 m)
Longest span26 ft (8 m)
Deck width66 ft (20.1 m)
Roadway width45 ft (13.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,260 (2010)
Projected traffic1,531 by 2030
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Big Cttnwd.Cyn.Rd. over Big Cottonwood Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Big Cttnwd.Cyn.Rd. over Big Cottonwood Creek 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 December 2023.

How much traffic does Big Cttnwd.Cyn.Rd. over Big Cottonwood Creek carry?

About 1,260 vehicles per day (2010 count), of which roughly 1% are trucks.

How long is Big Cttnwd.Cyn.Rd. over Big Cottonwood Creek?

The structure is 28 ft (8.6 m) long with a longest span of 26 ft (8 m) and a deck 66 ft wide.

Who owns Big Cttnwd.Cyn.Rd. over Big Cottonwood Creek?

It is owned by the City or Municipal Highway Agency.