US Bridges

Zion - Mnt Carmel over North Fork Virgin River

Fair

Washington County, Utah · 1.4 MI from S. Entrance · Structure no. 1590004P0000000

Built
1930
95 years old, rebuilt 1959
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
186 ft
3 main spans
Daily traffic
1,341
2022 count
Owner
Federal
National Park Service

About this bridge

Zion - Mnt Carmel over North Fork Virgin River is a steel continuous stringer/multi-beam or girder carrying Zion - Mnt Carmel over North Fork Virgin River in Washington County, Utah. It was built in 1930 and reconstructed in 1959, so it is 95 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 1,341 vehicles a day, roughly 20% of them trucks, projected to reach 1,609 by 2042. The structure is 186 ft (56.7 m) long and 32 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesZion - Mnt Carmel
CrossesNorth Fork Virgin River
Location1.4 MI from S. Entrance
RouteState Highway 9
StateUtah
Coordinates37.21759, -112.97504
Functional classRural Minor Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating69 US tons
Inventory rating41 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length186 ft (56.7 m)
Longest span88 ft (26.8 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,341 (2022)
Projected traffic1,609 by 2042
Trucks20%
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

OwnerNational Park Service
Maintained byNational Park Service
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Zion - Mnt Carmel over North Fork Virgin River built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1959.

What condition is Zion - Mnt Carmel over North Fork Virgin River 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 May 2023.

How much traffic does Zion - Mnt Carmel over North Fork Virgin River carry?

About 1,341 vehicles per day (2022 count), of which roughly 20% are trucks.

How long is Zion - Mnt Carmel over North Fork Virgin River?

The structure is 186 ft (56.7 m) long with a longest span of 88 ft (26.8 m) and a deck 32 ft wide.

Who owns Zion - Mnt Carmel over North Fork Virgin River?

It is owned by the National Park Service.