US Bridges

SR-16 over Woodruff-Randolph Canal

Fair

Rich County, Utah · 5.4 MI So Sage Creek JCT · Structure no. 0D 420

Built
1935
90 years old, rebuilt 1938
Condition
Fair
inspected August 2024
Type
Slab
Concrete
Length
20 ft
1 main span
Daily traffic
2,170
2014 count
Owner
State
State Highway Agency

About this bridge

SR-16 over Woodruff-Randolph Canal is a concrete slab carrying SR-16 over Woodruff-Randolph Canal in Rich County, Utah. It was built in 1935 and reconstructed in 1938, so it is 90 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 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 2,170 vehicles a day, roughly 32% of them trucks, projected to reach 2,713 by 2034. The structure is 20 ft (6.1 m) long and 43 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesSR-16
CrossesWoodruff-Randolph Canal
Location5.4 MI So Sage Creek JCT
RouteState Highway 16
CountyRich County
StateUtah
Coordinates41.70493, -111.15949
Functional classRural Minor 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating21.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length20 ft (6.1 m)
Longest span18 ft (5.4 m)
Deck width43 ft (13 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic2,170 (2014)
Projected traffic2,713 by 2034
Trucks32%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

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-16 over Woodruff-Randolph Canal built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1938.

What condition is SR-16 over Woodruff-Randolph 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 August 2024.

How much traffic does SR-16 over Woodruff-Randolph Canal carry?

About 2,170 vehicles per day (2014 count), of which roughly 32% are trucks.

How long is SR-16 over Woodruff-Randolph Canal?

The structure is 20 ft (6.1 m) long with a longest span of 18 ft (5.4 m) and a deck 43 ft wide.

Who owns SR-16 over Woodruff-Randolph Canal?

It is owned by the State Highway Agency.