US Bridges

County Road over Castle Creek

Fair

Grand County, Utah · East End of Castle Valley · Structure no. 019011D

Built
1950
75 years old
Condition
Fair
inspected January 2024
Type
Frame
Concrete
Length
44 ft
1 main span
Daily traffic
593
2010 count
Owner
County
County Highway Agency

About this bridge

County Road over Castle Creek is a concrete frame carrying County Road over Castle Creek in Grand County, Utah. It was built in 1950, so it is 75 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 593 vehicles a day, roughly 2% of them trucks, projected to reach 694 by 2030. The structure is 44 ft (13.5 m) long and 28 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesCounty Road
CrossesCastle Creek
LocationEast End of Castle Valley
RouteCounty Highway 1704
StateUtah
Coordinates38.63439, -109.36636
Functional classRural Major 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.
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 inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.7 US tons
Inventory rating25 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length44 ft (13.5 m)
Longest span40 ft (12.2 m)
Deck width28 ft (8.5 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic593 (2010)
Projected traffic694 by 2030
Trucks2%
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

OwnerCounty Highway Agency
Maintained byCounty 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 County Road over Castle Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is County Road over Castle 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 January 2024.

How much traffic does County Road over Castle Creek carry?

About 593 vehicles per day (2010 count), of which roughly 2% are trucks.

How long is County Road over Castle Creek?

The structure is 44 ft (13.5 m) long with a longest span of 40 ft (12.2 m) and a deck 28 ft wide.

Who owns County Road over Castle Creek?

It is owned by the County Highway Agency.