US Bridges

US 30 / I-80 Bus over Spring Creek

Fair

Albany County, Wyoming · Laramie - Grand Ave · Structure no. DLN

Built
1981
44 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
1 main span
Daily traffic
14,833
2024 count
Owner
State
State Highway Agency

About this bridge

US 30 / I-80 Bus over Spring Creek is a steel stringer/multi-beam or girder carrying US 30 / I-80 Bus over Spring Creek in Albany County, Wyoming. It was built in 1981, so it is 44 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 14,833 vehicles a day, roughly 2% of them trucks, projected to reach 20,766 by 2043. The structure is 60 ft (18.3 m) long and 82 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 30 / I-80 Bus
CrossesSpring Creek
LocationLaramie - Grand Ave
RouteU.S. Route 80
StateWyoming
Coordinates41.30799, -105.55254
Functional classUrban Other Principal Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106 US tons
Inventory rating64 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span57 ft (17.5 m)
Deck width82 ft (25 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,833 (2024)
Projected traffic20,766 by 2043
Trucks2%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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$105,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 30 / I-80 Bus over Spring Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is US 30 / I-80 Bus over Spring 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 May 2024.

How much traffic does US 30 / I-80 Bus over Spring Creek carry?

About 14,833 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is US 30 / I-80 Bus over Spring Creek?

The structure is 60 ft (18.3 m) long with a longest span of 57 ft (17.5 m) and a deck 82 ft wide.

Who owns US 30 / I-80 Bus over Spring Creek?

It is owned by the State Highway Agency.