US Bridges

Windy Street over Local Drainage

Fair

Jefferson County, Colorado · Just South of 59th Avenue · Structure no. F-24-52

Built
1995
30 years old
Condition
Fair
inspected March 2025
Type
Frame
Concrete
Length
22 ft
1 main span
Daily traffic
9
2021 count
Owner
County
County Highway Agency

About this bridge

Windy Street over Local Drainage is a concrete frame carrying Windy Street over Local Drainage in Jefferson County, Colorado. It was built in 1995, so it is 30 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 9 vehicles a day, roughly 2% of them trucks, projected to reach 10 by 2041. The structure is 22 ft (6.6 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWindy Street
CrossesLocal Drainage
LocationJust South of 59th Avenue
RouteCounty Highway 0
Coordinates39.80379, -105.20078
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckOther
Main spans1
Design loadUnknown
Structure length22 ft (6.6 m)
Longest span20 ft (6.1 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9 (2021)
Projected traffic10 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Windy Street over Local Drainage built?

It was built in 1995, making it 30 years old in 2025.

What condition is Windy Street over Local Drainage 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 March 2025.

How much traffic does Windy Street over Local Drainage carry?

About 9 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Windy Street over Local Drainage?

The structure is 22 ft (6.6 m) long with a longest span of 20 ft (6.1 m) and a deck 32 ft wide.

Who owns Windy Street over Local Drainage?

It is owned by the County Highway Agency.