US Bridges

Northeast Entrance over Soda Butte Creek

Fair

Park County, Wyoming · 6.4 Miles West of NE Entr · Structure no. 1570045P0000000

Built
1934
91 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
46 ft
1 main span
Daily traffic
1,982
2019 count
Owner
Federal
National Park Service

About this bridge

Northeast Entrance over Soda Butte Creek is a steel stringer/multi-beam or girder carrying Northeast Entrance over Soda Butte Creek in Park County, Wyoming. It was built in 1934, so it is 91 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 1,982 vehicles a day, roughly 16% of them trucks, projected to reach 2,378 by 2039. The structure is 46 ft (14.1 m) long and 27 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNortheast Entrance
CrossesSoda Butte Creek
Location6.4 Miles West of NE Entr
RouteFederal Lands Road 12
StateWyoming
Coordinates44.94514, -110.08225
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating27 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length46 ft (14.1 m)
Longest span43 ft (13.1 m)
Deck width27 ft (8.2 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,982 (2019)
Projected traffic2,378 by 2039
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerNational Park Service
Maintained byNational Park Service
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$1.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Northeast Entrance over Soda Butte Creek built?

It was built in 1934, making it 91 years old in 2025.

What condition is Northeast Entrance over Soda Butte 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 September 2024.

How much traffic does Northeast Entrance over Soda Butte Creek carry?

About 1,982 vehicles per day (2019 count), of which roughly 16% are trucks.

How long is Northeast Entrance over Soda Butte Creek?

The structure is 46 ft (14.1 m) long with a longest span of 43 ft (13.1 m) and a deck 27 ft wide.

Who owns Northeast Entrance over Soda Butte Creek?

It is owned by the National Park Service.