US Bridges

US 6 Ml over Garrison Street

Good

Jefferson County, Colorado · In Lakewood · Structure no. F-16-EW

Built
2015
10 years old
Condition
Good
inspected December 2023
Type
Box Beam or Girders - Multiple
Concrete
Length
82 ft
1 main span
Daily traffic
100,000
2020 count
Owner
State
State Highway Agency

About this bridge

US 6 Ml over Garrison Street is a concrete box beam or girders - multiple carrying US 6 Ml over Garrison Street in Jefferson County, Colorado. It was built in 2015, so it is 10 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 100,000 vehicles a day, roughly 2% of them trucks, projected to reach 111,000 by 2040. The structure is 82 ft (25.1 m) long and 109 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 6 Ml
CrossesGarrison Street
LocationIn Lakewood
RouteU.S. Route 6G
Coordinates39.72534, -105.10043
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.
Substructure8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating37.5 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length82 ft (25.1 m)
Longest span80 ft (24.4 m)
Deck width109 ft (33.2 m)
Roadway width104 ft (31.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100,000 (2020)
Projected traffic111,000 by 2040
Trucks2%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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 Garrison Street built?

It was built in 2015, making it 10 years old in 2025.

What condition is US 6 Ml over Garrison Street 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 December 2023.

How much traffic does US 6 Ml over Garrison Street carry?

About 100,000 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is US 6 Ml over Garrison Street?

The structure is 82 ft (25.1 m) long with a longest span of 80 ft (24.4 m) and a deck 109 ft wide.

Who owns US 6 Ml over Garrison Street?

It is owned by the State Highway Agency.