US Bridges

Fdr 17 over Shell Creek

GoodPosted for load

Big Horn County, Wyoming · 2.7 MI on Fdr 17 · Structure no. 020204000001016

Built
1948
77 years old
Condition
Good
inspected July 2024
Type
Slab
Concrete
Length
52 ft
1 main span
Daily traffic
45
1992 count
Owner
Federal
U.S. Forest Service

About this bridge

Fdr 17 over Shell Creek is a concrete slab carrying Fdr 17 over Shell Creek in Big Horn County, Wyoming. It was built in 1948, so it is 77 years old, older than the Wyoming average of 48.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 45 vehicles a day, projected to reach 67 by 2045. The structure is 52 ft (15.9 m) long and 24 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesFdr 17
CrossesShell Creek
Location2.7 MI on Fdr 17
RouteFederal Lands Road 17
StateWyoming
Coordinates44.54604, -107.49909
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.1 US tons
Inventory rating35.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length52 ft (15.9 m)
Longest span49 ft (14.9 m)
Deck width24 ft (7.3 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (1992)
Projected traffic67 by 2045
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.2 mi (158 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Fdr 17 over Shell Creek built?

It was built in 1948, making it 77 years old in 2025.

What condition is Fdr 17 over Shell Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does Fdr 17 over Shell Creek carry?

About 45 vehicles per day (1992 count).

How long is Fdr 17 over Shell Creek?

The structure is 52 ft (15.9 m) long with a longest span of 49 ft (14.9 m) and a deck 24 ft wide.

Who owns Fdr 17 over Shell Creek?

It is owned by the U.S. Forest Service.