US Bridges

SR-16 over Woodruff-Randolph Canal

Fair

Rich County, Utah · 3 Miles South of Randolph · Structure no. 0D 382

Built
1934
91 years old, rebuilt 1985
Condition
Fair
inspected August 2024
Type
Slab
Concrete
Length
57 ft
2 main spans
Daily traffic
1,395
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 1934 and reconstructed in 1985, so it is 91 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 1,395 vehicles a day, roughly 24% of them trucks, projected to reach 1,744 by 2034. The structure is 57 ft (17.3 m) long and 42 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSR-16
CrossesWoodruff-Randolph Canal
Location3 Miles South of Randolph
RouteState Highway 16
StateUtah
Coordinates41.61575, -111.17917
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.2 US tons
Inventory rating32.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length57 ft (17.3 m)
Longest span19 ft (5.8 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic1,395 (2014)
Projected traffic1,744 by 2034
Trucks24%
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 1934, making it 91 years old in 2025. It was reconstructed in 1985.

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 1,395 vehicles per day (2014 count), of which roughly 24% are trucks.

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

The structure is 57 ft (17.3 m) long with a longest span of 19 ft (5.8 m) and a deck 42 ft wide.

Who owns SR-16 over Woodruff-Randolph Canal?

It is owned by the State Highway Agency.