US Bridges

Zion - Mount Carme over Pine Creek

Fair

Washington County, Utah · From South Entrance Go 1 · Structure no. 1590005P0000000

Built
1930
95 years old
Condition
Fair
inspected May 2023
Type
Arch - Deck
Masonry
Length
60 ft
1 main span
Daily traffic
3,300
2023 count
Owner
Federal
National Park Service

About this bridge

Zion - Mount Carme over Pine Creek is a masonry arch - deck carrying Zion - Mount Carme over Pine Creek in Washington County, Utah. It was built in 1930, 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 3,300 vehicles a day, roughly 20% of them trucks, projected to reach 3,630 by 2043. The structure is 60 ft (18.3 m) long and 28 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesZion - Mount Carme
CrossesPine Creek
LocationFrom South Entrance Go 1
RouteState Highway 9
StateUtah
Coordinates37.21621, -112.96557
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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating49.7 US tons
Inventory rating37.4 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans1
Design loadUnknown
Structure length60 ft (18.3 m)
Longest span60 ft (18.3 m)
Deck width28 ft (8.6 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,300 (2023)
Projected traffic3,630 by 2043
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$45,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Zion - Mount Carme over Pine Creek built?

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

What condition is Zion - Mount Carme over Pine Creek 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 - Mount Carme over Pine Creek carry?

About 3,300 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is Zion - Mount Carme over Pine Creek?

The structure is 60 ft (18.3 m) long with a longest span of 60 ft (18.3 m) and a deck 28 ft wide.

Who owns Zion - Mount Carme over Pine Creek?

It is owned by the National Park Service.