US Bridges

SR-9 over Black Canyon Wash

Fair

Washington County, Utah · In Springdale · Structure no. 0E1328

Built
1963
62 years old, rebuilt 2017
Condition
Fair
inspected January 2023
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
7,100
2017 count
Owner
State
State Highway Agency

About this bridge

SR-9 over Black Canyon Wash is a concrete culvert carrying SR-9 over Black Canyon Wash in Washington County, Utah. It was built in 1963 and reconstructed in 2017, so it is 62 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 7,100 vehicles a day, roughly 21% of them trucks, projected to reach 8,520 by 2037. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSR-9
CrossesBlack Canyon Wash
LocationIn Springdale
RouteState Highway 9
StateUtah
Coordinates37.19397, -112.99315
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.3 US tons
Inventory rating28.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,100 (2017)
Projected traffic8,520 by 2037
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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-9 over Black Canyon Wash built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2017.

What condition is SR-9 over Black Canyon Wash 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 January 2023.

How much traffic does SR-9 over Black Canyon Wash carry?

About 7,100 vehicles per day (2017 count), of which roughly 21% are trucks.

How long is SR-9 over Black Canyon Wash?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m).

Who owns SR-9 over Black Canyon Wash?

It is owned by the State Highway Agency.