US Bridges

County Road over Six Mile Creek

Fair

Sanpete County, Utah · 1 Mile East of Sterling · Structure no. 039031E

Built
1984
41 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
25
2010 count
Owner
County
County Highway Agency

About this bridge

County Road over Six Mile Creek is a concrete culvert carrying County Road over Six Mile Creek in Sanpete County, Utah. It was built in 1984, so it is 41 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 5 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 25 vehicles a day, projected to reach 30 by 2030. The structure is 22 ft (6.8 m) long and 25 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesCounty Road
CrossesSix Mile Creek
Location1 Mile East of Sterling
RouteCounty Highway 0
CountySanpete County
StateUtah
Coordinates39.19947, -111.66642
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating21.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length22 ft (6.8 m)
Longest span19 ft (5.9 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2010)
Projected traffic30 by 2030
Trucks0%
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 Six Mile Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is County Road over Six Mile 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 March 2024.

How much traffic does County Road over Six Mile Creek carry?

About 25 vehicles per day (2010 count).

How long is County Road over Six Mile Creek?

The structure is 22 ft (6.8 m) long with a longest span of 19 ft (5.9 m) and a deck 25 ft wide.

Who owns County Road over Six Mile Creek?

It is owned by the County Highway Agency.