US Bridges

Wyo 13 over UPRR

Poor

Albany County, Wyoming · Rock River - JCT 1-80 · Structure no. EUQ

Built
1983
42 years old
Condition
Poor
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
255 ft
3 main spans
Daily traffic
251
2024 count
Owner
State
State Highway Agency

About this bridge

Wyo 13 over UPRR is a steel continuous stringer/multi-beam or girder carrying Wyo 13 over UPRR in Albany County, Wyoming. It was built in 1983, so it is 42 years old, younger than the Wyoming average of 48.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 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.

It carries about 251 vehicles a day, roughly 12% of them trucks, projected to reach 351 by 2043. The structure is 255 ft (77.7 m) long and 35 ft wide. If it were closed, the detour would be 46 mi (74 km).

CarriesWyo 13
CrossesUPRR
LocationRock River - JCT 1-80
RouteState Highway 13
StateWyoming
Coordinates41.75137, -105.98128
Functional classRural Major Collector

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating68 US tons
Inventory rating41 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length255 ft (77.7 m)
Longest span136 ft (41.5 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic251 (2024)
Projected traffic351 by 2043
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed46 mi (74 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Wyo 13 over UPRR built?

It was built in 1983, making it 42 years old in 2025.

What condition is Wyo 13 over UPRR 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 May 2024.

How much traffic does Wyo 13 over UPRR carry?

About 251 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Wyo 13 over UPRR?

The structure is 255 ft (77.7 m) long with a longest span of 136 ft (41.5 m) and a deck 35 ft wide.

Who owns Wyo 13 over UPRR?

It is owned by the State Highway Agency.