US Bridges

US 6 Ml over Clear Creek

Good

Jefferson County, Colorado · 0.1 MI S of SH58 · Structure no. E-16-PY

Built
1999
26 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
158 ft
1 main span
Daily traffic
28,000
2020 count
Owner
State
State Highway Agency

About this bridge

US 6 Ml over Clear Creek is a prestressed concrete stringer/multi-beam or girder carrying US 6 Ml over Clear Creek 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 28,000 vehicles a day, roughly 5% of them trucks, projected to reach 34,720 by 2040. The structure is 158 ft (48.3 m) long and 84 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS 6 Ml
CrossesClear Creek
Location0.1 MI S of SH58
RouteU.S. Route 6G
Coordinates39.7526, -105.2352
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 protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.4 US tons
Inventory rating16 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length158 ft (48.3 m)
Longest span156 ft (47.5 m)
Deck width84 ft (25.7 m)
Roadway width81 ft (24.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,000 (2020)
Projected traffic34,720 by 2040
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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 6 Ml over Clear Creek built?

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

What condition is US 6 Ml over Clear Creek 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 November 2023.

How much traffic does US 6 Ml over Clear Creek carry?

About 28,000 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is US 6 Ml over Clear Creek?

The structure is 158 ft (48.3 m) long with a longest span of 156 ft (47.5 m) and a deck 84 ft wide.

Who owns US 6 Ml over Clear Creek?

It is owned by the State Highway Agency.