US Bridges

Wyo 411 over Blacks Fork Canal

Good

Uinta County, Wyoming · 3 MI SW of Mountain View · Structure no. KSP

Built
2002
23 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
72 ft
1 main span
Daily traffic
763
2024 count
Owner
State
State Highway Agency

About this bridge

Wyo 411 over Blacks Fork Canal is a steel stringer/multi-beam or girder carrying Wyo 411 over Blacks Fork Canal in Uinta County, Wyoming. It was built in 2002, so it is 23 years old, younger than the Wyoming average of 48.4 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 763 vehicles a day, roughly 13% of them trucks, projected to reach 1,068 by 2043. The structure is 72 ft (21.9 m) long and 39 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesWyo 411
CrossesBlacks Fork Canal
Location3 MI SW of Mountain View
RouteState Highway 411
StateWyoming
Coordinates41.26324, -110.38921
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating60 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length72 ft (21.9 m)
Longest span70 ft (21.3 m)
Deck width39 ft (11.8 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic763 (2024)
Projected traffic1,068 by 2043
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Wyo 411 over Blacks Fork Canal built?

It was built in 2002, making it 23 years old in 2025.

What condition is Wyo 411 over Blacks Fork Canal 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 February 2024.

How much traffic does Wyo 411 over Blacks Fork Canal carry?

About 763 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is Wyo 411 over Blacks Fork Canal?

The structure is 72 ft (21.9 m) long with a longest span of 70 ft (21.3 m) and a deck 39 ft wide.

Who owns Wyo 411 over Blacks Fork Canal?

It is owned by the State Highway Agency.