US Bridges

Wyo 59 over BNSF Railway

Fair

Converse County, Wyoming · Douglas - Reno JCT · Structure no. DIP

Built
1979
46 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
274 ft
3 main spans
Daily traffic
1,731
2024 count
Owner
State
State Highway Agency

About this bridge

Wyo 59 over BNSF Railway is a steel continuous stringer/multi-beam or girder carrying Wyo 59 over BNSF Railway in Converse County, Wyoming. It was built in 1979, so it is 46 years old, younger than the Wyoming average of 48.4 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 1,731 vehicles a day, roughly 35% of them trucks, projected to reach 2,423 by 2043. The structure is 274 ft (83.5 m) long and 43 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesWyo 59
CrossesBNSF Railway
LocationDouglas - Reno JCT
RouteState Highway 59
StateWyoming
Coordinates43.28956, -105.32136
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating40 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length274 ft (83.5 m)
Longest span106 ft (32.3 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,731 (2024)
Projected traffic2,423 by 2043
Trucks35%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemYes

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 59 over BNSF Railway built?

It was built in 1979, making it 46 years old in 2025.

What condition is Wyo 59 over BNSF Railway 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 July 2024.

How much traffic does Wyo 59 over BNSF Railway carry?

About 1,731 vehicles per day (2024 count), of which roughly 35% are trucks.

How long is Wyo 59 over BNSF Railway?

The structure is 274 ft (83.5 m) long with a longest span of 106 ft (32.3 m) and a deck 43 ft wide.

Who owns Wyo 59 over BNSF Railway?

It is owned by the State Highway Agency.