US Bridges

Wyo 316 over Chugwater Creek

Good

Platte County, Wyoming · Antelope Gap Road · Structure no. LHG

Built
2003
22 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
164 ft
3 main spans
Daily traffic
582
2024 count
Owner
State
State Highway Agency

About this bridge

Wyo 316 over Chugwater Creek is a steel continuous stringer/multi-beam or girder carrying Wyo 316 over Chugwater Creek in Platte County, Wyoming. It was built in 2003, so it is 22 years old, younger 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 582 vehicles a day, roughly 3% of them trucks, projected to reach 815 by 2043. The structure is 164 ft (50 m) long and 35 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesWyo 316
CrossesChugwater Creek
LocationAntelope Gap Road
RouteState Highway 316
StateWyoming
Coordinates42.04508, -104.89331
Functional classRural Major Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89 US tons
Inventory rating53 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length164 ft (50 m)
Longest span64 ft (19.5 m)
Deck width35 ft (10.6 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic582 (2024)
Projected traffic815 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$3,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Wyo 316 over Chugwater Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is Wyo 316 over Chugwater 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 April 2023.

How much traffic does Wyo 316 over Chugwater Creek carry?

About 582 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Wyo 316 over Chugwater Creek?

The structure is 164 ft (50 m) long with a longest span of 64 ft (19.5 m) and a deck 35 ft wide.

Who owns Wyo 316 over Chugwater Creek?

It is owned by the State Highway Agency.