US Bridges

Wyo 131 over Middle Fork Popo Agie

Good

Fremont County, Wyoming · 1.3 MI SW of Sinks Canyon · Structure no. MUH

Built
1995
30 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
157 ft
3 main spans
Daily traffic
1,242
2024 count
Owner
County
County Highway Agency

About this bridge

Wyo 131 over Middle Fork Popo Agie is a prestressed concrete stringer/multi-beam or girder carrying Wyo 131 over Middle Fork Popo Agie in Fremont County, Wyoming. It was built in 1995, so it is 30 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 1,242 vehicles a day, roughly 3% of them trucks, projected to reach 1,739 by 2043. The structure is 157 ft (48 m) long and 39 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesWyo 131
CrossesMiddle Fork Popo Agie
Location1.3 MI SW of Sinks Canyon
RouteCounty Highway 440
StateWyoming
Coordinates42.73038, -108.85506
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 protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.3 US tons
Inventory rating34.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length157 ft (48 m)
Longest span59 ft (18 m)
Deck width39 ft (12 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,242 (2024)
Projected traffic1,739 by 2043
Trucks3%
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

OwnerCounty Highway Agency
Maintained byCounty 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 131 over Middle Fork Popo Agie built?

It was built in 1995, making it 30 years old in 2025.

What condition is Wyo 131 over Middle Fork Popo Agie 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 April 2024.

How much traffic does Wyo 131 over Middle Fork Popo Agie carry?

About 1,242 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Wyo 131 over Middle Fork Popo Agie?

The structure is 157 ft (48 m) long with a longest span of 59 ft (18 m) and a deck 39 ft wide.

Who owns Wyo 131 over Middle Fork Popo Agie?

It is owned by the County Highway Agency.