US Bridges

I 70 Ml Wbnd over Highline Canal

Fair

Mesa County, Colorado · 0.2 MI E of Horizon Drive · Structure no. H-02-EV

Built
1965
60 years old
Condition
Fair
inspected February 2024
Type
Tee Beam
Concrete
Length
81 ft
1 main span
Daily traffic
11,000
2020 count
Owner
State
State Highway Agency

About this bridge

I 70 Ml Wbnd over Highline Canal is a concrete tee beam carrying I 70 Ml Wbnd over Highline Canal in Mesa County, Colorado. It was built in 1965, so it is 60 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 11,000 vehicles a day, roughly 13% of them trucks, projected to reach 14,850 by 2040. The structure is 81 ft (24.6 m) long and 50 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 70 Ml Wbnd
CrossesHighline Canal
Location0.2 MI E of Horizon Drive
RouteInterstate 70A
Coordinates39.1095, -108.53804
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.2 US tons
Inventory rating48.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length81 ft (24.6 m)
Longest span55 ft (16.9 m)
Deck width50 ft (15.1 m)
Roadway width47 ft (14.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,000 (2020)
Projected traffic14,850 by 2040
Trucks13%
Lanes on structure3
Traffic directionOne-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 Wbnd over Highline Canal built?

It was built in 1965, making it 60 years old in 2025.

What condition is I 70 Ml Wbnd over Highline Canal 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 2024.

How much traffic does I 70 Ml Wbnd over Highline Canal carry?

About 11,000 vehicles per day (2020 count), of which roughly 13% are trucks.

How long is I 70 Ml Wbnd over Highline Canal?

The structure is 81 ft (24.6 m) long with a longest span of 55 ft (16.9 m) and a deck 50 ft wide.

Who owns I 70 Ml Wbnd over Highline Canal?

It is owned by the State Highway Agency.