US Bridges

US 6M Ml over Horsethief Creek [n] SR

Fair

Mesa County, Colorado · Just E. of Debeque Interc · Structure no. G-04-AZ

Built
1980
45 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
44 ft
3 main spans
Daily traffic
1,200
2020 count
Owner
State
State Highway Agency

About this bridge

US 6M Ml over Horsethief Creek [n] SR is a concrete culvert carrying US 6M Ml over Horsethief Creek [n] SR in Mesa County, Colorado. It was built in 1980, so it is 45 years old, older 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 1,200 vehicles a day, roughly 10% of them trucks, projected to reach 2,220 by 2040. The structure is 44 ft (13.4 m) long and 80 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 6M Ml
CrossesHorsethief Creek [n] SR
LocationJust E. of Debeque Interc
RouteU.S. Route 6M
Coordinates39.33234, -108.19693
Functional classRural Major Collector

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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.9 US tons
Inventory rating31 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span16 ft (4.9 m)
Deck width80 ft (24.4 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2020)
Projected traffic2,220 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

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 6M Ml over Horsethief Creek [n] SR built?

It was built in 1980, making it 45 years old in 2025.

What condition is US 6M Ml over Horsethief Creek [n] SR 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 November 2024.

How much traffic does US 6M Ml over Horsethief Creek [n] SR carry?

About 1,200 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is US 6M Ml over Horsethief Creek [n] SR?

The structure is 44 ft (13.4 m) long with a longest span of 16 ft (4.9 m) and a deck 80 ft wide.

Who owns US 6M Ml over Horsethief Creek [n] SR?

It is owned by the State Highway Agency.