US Bridges

SR 78 over Chicken Creek

Good

Juab County, Utah · West of Mills Jct.Intchg. · Structure no. 023006E

Built
1985
40 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete Continuous
Length
40 ft
2 main spans
Daily traffic
647
2012 count
Owner
State
State Highway Agency

About this bridge

SR 78 over Chicken Creek is a concrete continuous culvert carrying SR 78 over Chicken Creek in Juab County, Utah. It was built in 1985, so it is 40 years old, younger than the Utah average of 40.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 647 vehicles a day, roughly 76% of them trucks, projected to reach 809 by 2032. The structure is 40 ft (12.2 m) long and 74 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

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CarriesSR 78
CrossesChicken Creek
LocationWest of Mills Jct.Intchg.
RouteState Highway 78
CountyJuab County
StateUtah
Coordinates39.48556, -111.98194
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating28.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length40 ft (12.2 m)
Longest span20 ft (6 m)
Deck width74 ft (22.7 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic647 (2012)
Projected traffic809 by 2032
Trucks76%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
TollOn a free road
National Highway SystemNo

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 78 over Chicken Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is SR 78 over Chicken Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does SR 78 over Chicken Creek carry?

About 647 vehicles per day (2012 count), of which roughly 76% are trucks.

How long is SR 78 over Chicken Creek?

The structure is 40 ft (12.2 m) long with a longest span of 20 ft (6 m) and a deck 74 ft wide.

Who owns SR 78 over Chicken Creek?

It is owned by the State Highway Agency.