US Bridges

I 70 Ml over Ashmead Draw

Fair

Mesa County, Colorado · 3 MI W. of Debeque · Structure no. G-04-AV

Built
1980
45 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
17,000
2020 count
Owner
State
State Highway Agency

About this bridge

I 70 Ml over Ashmead Draw is a concrete culvert carrying I 70 Ml over Ashmead Draw 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 17,000 vehicles a day, roughly 14% of them trucks, projected to reach 21,760 by 2040. The structure is 26 ft (7.9 m) long and 304 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 70 Ml
CrossesAshmead Draw
Location3 MI W. of Debeque
RouteInterstate 70A
Coordinates39.29324, -108.22283
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.3 US tons
Inventory rating42.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span10 ft (3.2 m)
Deck width304 ft (92.8 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,000 (2020)
Projected traffic21,760 by 2040
Trucks14%
Lanes on structure8
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 Ashmead Draw built?

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

What condition is I 70 Ml over Ashmead Draw 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 I 70 Ml over Ashmead Draw carry?

About 17,000 vehicles per day (2020 count), of which roughly 14% are trucks.

How long is I 70 Ml over Ashmead Draw?

The structure is 26 ft (7.9 m) long with a longest span of 10 ft (3.2 m) and a deck 304 ft wide.

Who owns I 70 Ml over Ashmead Draw?

It is owned by the State Highway Agency.