US Bridges

Windmill Road over Dry Creek

Fair

Laramie County, Wyoming · T14N R066W S21 · Structure no. FGJ

Built
1986
39 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
2,866
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Windmill Road over Dry Creek is a concrete continuous culvert carrying Windmill Road over Dry Creek in Laramie County, Wyoming. It was built in 1986, so it is 39 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 2,866 vehicles a day, roughly 3% of them trucks, projected to reach 4,012 by 2043. The structure is 32 ft (9.8 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesWindmill Road
CrossesDry Creek
LocationT14N R066W S21
RouteCity Street 50-3
CountyLaramie County
StateWyoming
Coordinates41.16077, -104.77979
Functional classUrban 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 inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width54 ft (16.5 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,866 (2024)
Projected traffic4,012 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$39,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Windmill Road over Dry Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is Windmill Road over Dry 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 December 2023.

How much traffic does Windmill Road over Dry Creek carry?

About 2,866 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Windmill Road over Dry Creek?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m) and a deck 54 ft wide.

Who owns Windmill Road over Dry Creek?

It is owned by the City or Municipal Highway Agency.