US Bridges

SR-9 over Coral Canyon Boulevard

Fair

Washington County, Utah · 0.5 Mi.East of I-15 Int. · Structure no. 0F 672

Built
1999
26 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
115 ft
1 main span
Daily traffic
30,157
2022 count
Owner
State
State Highway Agency

About this bridge

SR-9 over Coral Canyon Boulevard is a prestressed concrete stringer/multi-beam or girder carrying SR-9 over Coral Canyon Boulevard in Washington County, Utah. It was built in 1999, so it is 26 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 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 30,157 vehicles a day, roughly 14% of them trucks, projected to reach 36,188 by 2042. The structure is 115 ft (35.2 m) long and 115 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

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CarriesSR-9
CrossesCoral Canyon Boulevard
Location0.5 Mi.East of I-15 Int.
RouteState Highway 9
CountyWashington County
StateUtah
Coordinates37.16359, -113.44493
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.1 US tons
Inventory rating61.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length115 ft (35.2 m)
Longest span113 ft (34.4 m)
Deck width115 ft (35.1 m)
Roadway width112 ft (34.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,157 (2022)
Projected traffic36,188 by 2042
Trucks14%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed18 mi (29 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 Coral Canyon Boulevard built?

It was built in 1999, making it 26 years old in 2025.

What condition is SR-9 over Coral Canyon Boulevard 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 Coral Canyon Boulevard carry?

About 30,157 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is SR-9 over Coral Canyon Boulevard?

The structure is 115 ft (35.2 m) long with a longest span of 113 ft (34.4 m) and a deck 115 ft wide.

Who owns SR-9 over Coral Canyon Boulevard?

It is owned by the State Highway Agency.