US Bridges

I 70 Ml over Horsethief Creek

Fair

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

Built
1980
45 years old
Condition
Fair
inspected August 2022
Type
Culvert
Concrete
Length
44 ft
3 main spans
Daily traffic
18,000
2020 count
Owner
State
State Highway Agency

About this bridge

I 70 Ml over Horsethief Creek is a concrete culvert carrying I 70 Ml over Horsethief Creek 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 18,000 vehicles a day, roughly 16% of them trucks, projected to reach 23,580 by 2040. The structure is 44 ft (13.4 m) long and 188 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 70 Ml
CrossesHorsethief Creek
LocationJust E. of Debeque Interc
RouteInterstate 70A
Coordinates39.33183, -108.19624
Functional classRural Principal Arterial - Interstate

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 inspectionAugust 2022
Inspection intervalevery 48 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 rating66.4 US tons
Inventory rating39.7 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 width188 ft (57.3 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,000 (2020)
Projected traffic23,580 by 2040
Trucks16%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate 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 I 70 Ml over Horsethief Creek built?

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

What condition is I 70 Ml over Horsethief Creek 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 August 2022.

How much traffic does I 70 Ml over Horsethief Creek carry?

About 18,000 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is I 70 Ml over Horsethief Creek?

The structure is 44 ft (13.4 m) long with a longest span of 16 ft (4.9 m) and a deck 188 ft wide.

Who owns I 70 Ml over Horsethief Creek?

It is owned by the State Highway Agency.