US Bridges

County Road over Gunnison Bend Dam Spl

Fair

Millard County, Utah · 2 Miles West of Delta · Structure no. 027024F

Built
1985
40 years old
Condition
Fair
inspected March 2024
Type
Tee Beam
Prestressed Concrete
Length
180 ft
4 main spans
Daily traffic
139
2014 count
Owner
County
County Highway Agency

About this bridge

County Road over Gunnison Bend Dam Spl is a prestressed concrete tee beam carrying County Road over Gunnison Bend Dam Spl in Millard 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 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 139 vehicles a day, roughly 4% of them trucks, projected to reach 169 by 2034. The structure is 180 ft (54.9 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Road
CrossesGunnison Bend Dam Spl
Location2 Miles West of Delta
RouteCounty Highway 0
CountyMillard County
StateUtah
Coordinates39.34089, -112.61617
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating50 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20 + Mod
Structure length180 ft (54.9 m)
Longest span45 ft (13.7 m)
Deck width36 ft (11 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic139 (2014)
Projected traffic169 by 2034
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Gunnison Bend Dam Spl built?

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

What condition is County Road over Gunnison Bend Dam Spl 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 Gunnison Bend Dam Spl carry?

About 139 vehicles per day (2014 count), of which roughly 4% are trucks.

How long is County Road over Gunnison Bend Dam Spl?

The structure is 180 ft (54.9 m) long with a longest span of 45 ft (13.7 m) and a deck 36 ft wide.

Who owns County Road over Gunnison Bend Dam Spl?

It is owned by the County Highway Agency.