US Bridges

Boys Ranch RD over Lake Fork Overflow Chan.

PoorPosted for load

Duchesne County, Utah · 3 Miles Sw. of Altonah · Structure no. 013018C

Built
1999
26 years old
Condition
Poor
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
26 ft
1 main span
Daily traffic
63
2010 count
Owner
County
County Highway Agency

About this bridge

Boys Ranch RD over Lake Fork Overflow Chan. is a steel stringer/multi-beam or girder carrying Boys Ranch RD over Lake Fork Overflow Chan. in Duchesne County, Utah. It was built in 1999, so it is 26 years old, younger than the Utah average of 40.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 2 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 63 vehicles a day, roughly 1% of them trucks, projected to reach 77 by 2030. The structure is 26 ft (7.8 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesBoys Ranch RD
CrossesLake Fork Overflow Chan.
Location3 Miles Sw. of Altonah
RouteCounty Highway 0
StateUtah
Coordinates40.39814, -110.34642
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; extensive scour has occurred
Structural evaluation2: Basically intolerable, requiring high priority of replacement
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 rating32.2 US tons
Inventory rating17.9 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHL 93
Structure length26 ft (7.8 m)
Longest span22 ft (6.6 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic63 (2010)
Projected traffic77 by 2030
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Boys Ranch RD over Lake Fork Overflow Chan. built?

It was built in 1999, making it 26 years old in 2025.

What condition is Boys Ranch RD over Lake Fork Overflow Chan. in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does Boys Ranch RD over Lake Fork Overflow Chan. carry?

About 63 vehicles per day (2010 count), of which roughly 1% are trucks.

How long is Boys Ranch RD over Lake Fork Overflow Chan.?

The structure is 26 ft (7.8 m) long with a longest span of 22 ft (6.6 m) and a deck 24 ft wide.

Who owns Boys Ranch RD over Lake Fork Overflow Chan.?

It is owned by the County Highway Agency.