US Bridges

US 30 over UPRR / Twin Creek

Fair

Lincoln County, Wyoming · Sage JCT - Kemmerer · Structure no. BRB

Built
1970
55 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
598 ft
4 main spans
Daily traffic
1,532
2024 count
Owner
State
State Highway Agency

About this bridge

US 30 over UPRR / Twin Creek is a steel continuous stringer/multi-beam or girder carrying US 30 over UPRR / Twin Creek in Lincoln County, Wyoming. It was built in 1970, so it is 55 years old, older 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 6 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 1,532 vehicles a day, roughly 43% of them trucks, projected to reach 2,145 by 2043. The structure is 598 ft (182.4 m) long and 39 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesUS 30
CrossesUPRR / Twin Creek
LocationSage JCT - Kemmerer
RouteU.S. Route 30
CountyLincoln County
StateWyoming
Coordinates41.82023, -110.80798
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating68 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length598 ft (182.4 m)
Longest span167 ft (50.9 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,532 (2024)
Projected traffic2,145 by 2043
Trucks43%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad and waterway
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$485,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 30 over UPRR / Twin Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is US 30 over UPRR / Twin Creek 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 US 30 over UPRR / Twin Creek carry?

About 1,532 vehicles per day (2024 count), of which roughly 43% are trucks.

How long is US 30 over UPRR / Twin Creek?

The structure is 598 ft (182.4 m) long with a longest span of 167 ft (50.9 m) and a deck 39 ft wide.

Who owns US 30 over UPRR / Twin Creek?

It is owned by the State Highway Agency.