US Bridges

Wyo 387 over Unnamed Draw

Fair

Campbell County, Wyoming · Midwest - Reno JCT · Structure no. DZS

Built
1982
43 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete Continuous
Length
31 ft
3 main spans
Daily traffic
1,535
2024 count
Owner
State
State Highway Agency

About this bridge

Wyo 387 over Unnamed Draw is a concrete continuous culvert carrying Wyo 387 over Unnamed Draw in Campbell County, Wyoming. It was built in 1982, so it is 43 years old, younger 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 1,535 vehicles a day, roughly 26% of them trucks, projected to reach 2,149 by 2043. The structure is 31 ft (9.6 m) long. If it were closed, the detour would be 70.8 mi (114 km).

Location

Open in Google Maps
CarriesWyo 387
CrossesUnnamed Draw
LocationMidwest - Reno JCT
RouteState Highway 387
CountyCampbell County
StateWyoming
Coordinates43.75709, -105.49647
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating49.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length31 ft (9.6 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,535 (2024)
Projected traffic2,149 by 2043
Trucks26%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed70.8 mi (114 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$10,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Wyo 387 over Unnamed Draw built?

It was built in 1982, making it 43 years old in 2025.

What condition is Wyo 387 over Unnamed Draw 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 July 2024.

How much traffic does Wyo 387 over Unnamed Draw carry?

About 1,535 vehicles per day (2024 count), of which roughly 26% are trucks.

How long is Wyo 387 over Unnamed Draw?

The structure is 31 ft (9.6 m) long with a longest span of 10 ft (3 m).

Who owns Wyo 387 over Unnamed Draw?

It is owned by the State Highway Agency.