US Bridges

US 16 over Cottonwood Creek

Good

Washakie County, Wyoming · Worland - Buffalo · Structure no. CDU

Built
1964
61 years old
Condition
Good
inspected May 2024
Type
Slab
Concrete Continuous
Length
94 ft
3 main spans
Daily traffic
1,965
2024 count
Owner
State
State Highway Agency

About this bridge

US 16 over Cottonwood Creek is a concrete continuous slab carrying US 16 over Cottonwood Creek in Washakie County, Wyoming. It was built in 1964, so it is 61 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.

It carries about 1,965 vehicles a day, roughly 10% of them trucks, projected to reach 2,751 by 2043. The structure is 94 ft (28.5 m) long and 43 ft wide. If it were closed, the detour would be 78.3 mi (126 km).

CarriesUS 16
CrossesCottonwood Creek
LocationWorland - Buffalo
RouteU.S. Route 16
StateWyoming
Coordinates44.02599, -107.62044
Functional classRural Principal Arterial - Other

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 protection8 Very GoodNo problems noted.
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.9 US tons
Inventory rating33.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length94 ft (28.5 m)
Longest span35 ft (10.7 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,965 (2024)
Projected traffic2,751 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed78.3 mi (126 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 16 over Cottonwood Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is US 16 over Cottonwood 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 May 2024.

How much traffic does US 16 over Cottonwood Creek carry?

About 1,965 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is US 16 over Cottonwood Creek?

The structure is 94 ft (28.5 m) long with a longest span of 35 ft (10.7 m) and a deck 43 ft wide.

Who owns US 16 over Cottonwood Creek?

It is owned by the State Highway Agency.