US Bridges

Northeast Entrance over Pebble Creek

Fair

Park County, Wyoming · 9.2 Mi. West of NE Entran · Structure no. 1570046P0000000

Built
1934
91 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
78 ft
3 main spans
Daily traffic
1,982
2019 count
Owner
Federal
National Park Service

About this bridge

Northeast Entrance over Pebble Creek is a concrete continuous slab carrying Northeast Entrance over Pebble 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 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 1,982 vehicles a day, roughly 16% of them trucks, projected to reach 2,378 by 2039. The structure is 78 ft (23.8 m) long and 27 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesNortheast Entrance
CrossesPebble Creek
Location9.2 Mi. West of NE Entran
RouteFederal Lands Road 12
CountyPark County
StateWyoming
Coordinates44.91492, -110.11189
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating34.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length78 ft (23.8 m)
Longest span36 ft (11 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 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$415,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Northeast Entrance over Pebble Creek built?

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

What condition is Northeast Entrance over Pebble 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 Pebble Creek carry?

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

How long is Northeast Entrance over Pebble Creek?

The structure is 78 ft (23.8 m) long with a longest span of 36 ft (11 m) and a deck 27 ft wide.

Who owns Northeast Entrance over Pebble Creek?

It is owned by the National Park Service.