US Bridges

Bad Pass Road over Crooked Creek

Fair

Big Horn County, Wyoming · From N.P. Visitor Center · Structure no. 1320002P0000000

Built
1971
54 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete
Length
41 ft
1 main span
Daily traffic
60
2019 count
Owner
Federal
National Park Service

About this bridge

Bad Pass Road over Crooked Creek is a concrete tee beam carrying Bad Pass Road over Crooked Creek in Big Horn County, Wyoming. It was built in 1971, so it is 54 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 60 vehicles a day, roughly 1% of them trucks, projected to reach 72 by 2039. The structure is 41 ft (12.5 m) long and 64 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesBad Pass Road
CrossesCrooked Creek
LocationFrom N.P. Visitor Center
RouteFederal Lands Road 13
StateWyoming
Coordinates44.95983, -108.28767
Functional classRural Minor Collector

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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.9 US tons
Inventory rating37 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length41 ft (12.5 m)
Longest span39 ft (11.9 m)
Deck width64 ft (19.5 m)
Roadway width62 ft (18.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2019)
Projected traffic72 by 2039
Trucks1%
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$48,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Bad Pass Road over Crooked Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is Bad Pass Road over Crooked 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 August 2023.

How much traffic does Bad Pass Road over Crooked Creek carry?

About 60 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is Bad Pass Road over Crooked Creek?

The structure is 41 ft (12.5 m) long with a longest span of 39 ft (11.9 m) and a deck 64 ft wide.

Who owns Bad Pass Road over Crooked Creek?

It is owned by the National Park Service.