US Bridges

US 85 Ml Sbnd over Dad Clark Gulch

Good

Arapahoe County, Colorado · In Littleton · Structure no. F-16-KO

Built
2004
21 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
113 ft
1 main span
Daily traffic
22,000
2020 count
Owner
State
State Highway Agency

About this bridge

US 85 Ml Sbnd over Dad Clark Gulch is a prestressed concrete stringer/multi-beam or girder carrying US 85 Ml Sbnd over Dad Clark Gulch in Arapahoe County, Colorado. It was built in 2004, so it is 21 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 22,000 vehicles a day, roughly 9% of them trucks, projected to reach 27,940 by 2040. The structure is 113 ft (34.5 m) long and 41 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS 85 Ml Sbnd
CrossesDad Clark Gulch
LocationIn Littleton
RouteU.S. Route 85B
Coordinates39.57314, -105.02896
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length113 ft (34.5 m)
Longest span110 ft (33.5 m)
Deck width41 ft (12.5 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,000 (2020)
Projected traffic27,940 by 2040
Trucks9%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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 US 85 Ml Sbnd over Dad Clark Gulch built?

It was built in 2004, making it 21 years old in 2025.

What condition is US 85 Ml Sbnd over Dad Clark Gulch 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 August 2024.

How much traffic does US 85 Ml Sbnd over Dad Clark Gulch carry?

About 22,000 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is US 85 Ml Sbnd over Dad Clark Gulch?

The structure is 113 ft (34.5 m) long with a longest span of 110 ft (33.5 m) and a deck 41 ft wide.

Who owns US 85 Ml Sbnd over Dad Clark Gulch?

It is owned by the State Highway Agency.