US Bridges

Wyo 93 over Six Mile Creek

Fair

Converse County, Wyoming · Douglas - North · Structure no. CMZ

Built
1961
64 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
619
2024 count
Owner
State
State Highway Agency

About this bridge

Wyo 93 over Six Mile Creek is a concrete continuous culvert carrying Wyo 93 over Six Mile Creek in Converse County, Wyoming. It was built in 1961, so it is 64 years old, older 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 619 vehicles a day, roughly 10% of them trucks, projected to reach 867 by 2043. The structure is 32 ft (9.7 m) long. If it were closed, the detour would be 24.9 mi (40 km).

CarriesWyo 93
CrossesSix Mile Creek
LocationDouglas - North
RouteState Highway 93
StateWyoming
Coordinates42.77131, -105.43362
Functional classRural Major Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 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 evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length32 ft (9.7 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic619 (2024)
Projected traffic867 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Wyo 93 over Six Mile Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is Wyo 93 over Six Mile Creek 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 April 2023.

How much traffic does Wyo 93 over Six Mile Creek carry?

About 619 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Wyo 93 over Six Mile Creek?

The structure is 32 ft (9.7 m) long with a longest span of 12 ft (3.6 m).

Who owns Wyo 93 over Six Mile Creek?

It is owned by the State Highway Agency.