US Bridges

Wyo 230 over Encampment River

Good

Carbon County, Wyoming · Saratoga - Colo Line · Structure no. DJK

Built
1979
46 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
115 ft
3 main spans
Daily traffic
650
2024 count
Owner
State
State Highway Agency

About this bridge

Wyo 230 over Encampment River is a steel continuous stringer/multi-beam or girder carrying Wyo 230 over Encampment River in Carbon County, Wyoming. It was built in 1979, so it is 46 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 650 vehicles a day, roughly 20% of them trucks, projected to reach 910 by 2043. The structure is 115 ft (35.1 m) long and 44 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesWyo 230
CrossesEncampment River
LocationSaratoga - Colo Line
RouteState Highway 230
StateWyoming
Coordinates41.21728, -106.77602
Functional classRural Minor Arterial

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 protection8 Very GoodNo problems noted.
Last inspectionJune 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 rating70 US tons
Inventory rating42 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length115 ft (35.1 m)
Longest span45 ft (13.6 m)
Deck width44 ft (13.5 m)
Roadway width36 ft (11 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic650 (2024)
Projected traffic910 by 2043
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Wyo 230 over Encampment River built?

It was built in 1979, making it 46 years old in 2025.

What condition is Wyo 230 over Encampment River 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 June 2024.

How much traffic does Wyo 230 over Encampment River carry?

About 650 vehicles per day (2024 count), of which roughly 20% are trucks.

How long is Wyo 230 over Encampment River?

The structure is 115 ft (35.1 m) long with a longest span of 45 ft (13.6 m) and a deck 44 ft wide.

Who owns Wyo 230 over Encampment River?

It is owned by the State Highway Agency.