US Bridges

US 6 Ml over Hunter Wash

Fair

Mesa County, Colorado · 3.7 MI E. of Jct. SH 340 · Structure no. H-02-AX

Built
2001
24 years old
Condition
Fair
inspected February 2025
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
11,000
2020 count
Owner
State
State Highway Agency

About this bridge

US 6 Ml over Hunter Wash is a concrete culvert carrying US 6 Ml over Hunter Wash in Mesa County, Colorado. It was built in 2001, so it is 24 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 6 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 11,000 vehicles a day, roughly 6% of them trucks, projected to reach 13,530 by 2040. The structure is 24 ft (7.2 m) long and 72 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 6 Ml
CrossesHunter Wash
Location3.7 MI E. of Jct. SH 340
RouteU.S. Route 6A
Coordinates39.12219, -108.66858
Functional classUrban Other Principal Arterial

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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length24 ft (7.2 m)
Longest span24 ft (7.2 m)
Deck width72 ft (21.9 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,000 (2020)
Projected traffic13,530 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Hunter Wash built?

It was built in 2001, making it 24 years old in 2025.

What condition is US 6 Ml over Hunter Wash 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 US 6 Ml over Hunter Wash carry?

About 11,000 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is US 6 Ml over Hunter Wash?

The structure is 24 ft (7.2 m) long with a longest span of 24 ft (7.2 m) and a deck 72 ft wide.

Who owns US 6 Ml over Hunter Wash?

It is owned by the State Highway Agency.