US Bridges

Westmoor Drive over Walnut Creek | Walnut CR

Good

Jefferson County, Colorado · 0.1 MI N of 108th Ave · Structure no. WST03-18-F

Built
1999
26 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
32 ft
2 main spans
Daily traffic
3,630
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Westmoor Drive over Walnut Creek | Walnut CR is a concrete culvert carrying Westmoor Drive over Walnut Creek | Walnut CR in Jefferson County, Colorado. It was built in 1999, so it is 26 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,630 vehicles a day, projected to reach 4,175 by 2041. The structure is 32 ft (9.9 m) long and 81 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesWestmoor Drive
CrossesWalnut Creek | Walnut CR
Location0.1 MI N of 108th Ave
RouteCity Street 0
CountyJefferson County
StateColorado
Coordinates39.8939, -105.11105
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.9 US tons
Inventory rating43.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length32 ft (9.9 m)
Longest span15 ft (4.7 m)
Deck width81 ft (24.6 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,630 (2021)
Projected traffic4,175 by 2041
Trucks0%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Westmoor Drive over Walnut Creek | Walnut CR built?

It was built in 1999, making it 26 years old in 2025.

What condition is Westmoor Drive over Walnut Creek | Walnut CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does Westmoor Drive over Walnut Creek | Walnut CR carry?

About 3,630 vehicles per day (2021 count).

How long is Westmoor Drive over Walnut Creek | Walnut CR?

The structure is 32 ft (9.9 m) long with a longest span of 15 ft (4.7 m) and a deck 81 ft wide.

Who owns Westmoor Drive over Walnut Creek | Walnut CR?

It is owned by the City or Municipal Highway Agency.