US Bridges

SR-68 Redwood Road over Surplus Canal

Fair

Salt Lake County, Utah · 1300 So. Redwood Road-S · Structure no. 0D 480

Built
1936
89 years old, rebuilt 1959
Condition
Fair
inspected December 2022
Type
Tee Beam
Concrete Continuous
Length
114 ft
3 main spans
Daily traffic
27,600
2014 count
Owner
State
State Highway Agency

About this bridge

SR-68 Redwood Road over Surplus Canal is a concrete continuous tee beam carrying SR-68 Redwood Road over Surplus Canal in Salt Lake County, Utah. It was built in 1936 and reconstructed in 1959, so it is 89 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 27,600 vehicles a day, roughly 28% of them trucks, projected to reach 34,500 by 2034. The structure is 114 ft (34.7 m) long and 92 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSR-68 Redwood Road
CrossesSurplus Canal
Location1300 So. Redwood Road-S
RouteState Highway 68
CountySalt Lake County
StateUtah
Coordinates40.74001, -111.93888
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating25 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length114 ft (34.7 m)
Longest span38 ft (11.6 m)
Deck width92 ft (28 m)
Roadway width81 ft (24.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,600 (2014)
Projected traffic34,500 by 2034
Trucks28%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR-68 Redwood Road over Surplus Canal built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1959.

What condition is SR-68 Redwood Road over Surplus Canal 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 2022.

How much traffic does SR-68 Redwood Road over Surplus Canal carry?

About 27,600 vehicles per day (2014 count), of which roughly 28% are trucks.

How long is SR-68 Redwood Road over Surplus Canal?

The structure is 114 ft (34.7 m) long with a longest span of 38 ft (11.6 m) and a deck 92 ft wide.

Who owns SR-68 Redwood Road over Surplus Canal?

It is owned by the State Highway Agency.