US Bridges

Westcliff Pkwy over Big Dry Creek | Big Dry

Fair

Jefferson County, Colorado · .2 MI SE of Church Ranch · Structure no. WST16-12-J

Built
1996
29 years old
Condition
Fair
inspected February 2025
Type
Culvert
Concrete
Length
44 ft
3 main spans
Daily traffic
4,806
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Westcliff Pkwy over Big Dry Creek | Big Dry is a concrete culvert carrying Westcliff Pkwy over Big Dry Creek | Big Dry in Jefferson County, Colorado. It was built in 1996, so it is 29 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 4,806 vehicles a day, roughly 4% of them trucks, projected to reach 5,526 by 2041. The structure is 44 ft (13.3 m) long and 63 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesWestcliff Pkwy
CrossesBig Dry Creek | Big Dry
Location.2 MI SE of Church Ranch
RouteCity Street 0
CountyJefferson County
StateColorado
Coordinates39.87835, -105.07618
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 protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating90.6 US tons
Inventory rating54.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length44 ft (13.3 m)
Longest span14 ft (4.3 m)
Deck width63 ft (19.3 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,806 (2021)
Projected traffic5,526 by 2041
Trucks4%
Lanes on structure4
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Westcliff Pkwy over Big Dry Creek | Big Dry built?

It was built in 1996, making it 29 years old in 2025.

What condition is Westcliff Pkwy over Big Dry Creek | Big Dry 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 February 2025.

How much traffic does Westcliff Pkwy over Big Dry Creek | Big Dry carry?

About 4,806 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Westcliff Pkwy over Big Dry Creek | Big Dry?

The structure is 44 ft (13.3 m) long with a longest span of 14 ft (4.3 m) and a deck 63 ft wide.

Who owns Westcliff Pkwy over Big Dry Creek | Big Dry?

It is owned by the City or Municipal Highway Agency.