US Bridges

I 70 Frontage RD over Grand Valley Canal SR

Fair

Mesa County, Colorado · 2.2 MI W / Horizon Drive · Structure no. H-02-EQ

Built
1965
60 years old
Condition
Fair
inspected February 2024
Type
Tee Beam
Concrete
Length
67 ft
3 main spans
Daily traffic
863
2022 count
Owner
State
State Highway Agency

About this bridge

I 70 Frontage RD over Grand Valley Canal SR is a concrete tee beam carrying I 70 Frontage RD over Grand Valley Canal SR 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 863 vehicles a day, roughly 5% of them trucks, projected to reach 1,010 by 2042. The structure is 67 ft (20.5 m) long and 28 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 70 Frontage RD
CrossesGrand Valley Canal SR
Location2.2 MI W / Horizon Drive
RouteInterstate 70A
Coordinates39.11424, -108.57866
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 rating61 US tons
Inventory rating37 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length67 ft (20.5 m)
Longest span29 ft (8.8 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic863 (2022)
Projected traffic1,010 by 2042
Trucks5%
Lanes on structure2
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 Frontage RD over Grand Valley Canal SR built?

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

What condition is I 70 Frontage RD over Grand Valley Canal 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 February 2024.

How much traffic does I 70 Frontage RD over Grand Valley Canal SR carry?

About 863 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is I 70 Frontage RD over Grand Valley Canal SR?

The structure is 67 ft (20.5 m) long with a longest span of 29 ft (8.8 m) and a deck 28 ft wide.

Who owns I 70 Frontage RD over Grand Valley Canal SR?

It is owned by the State Highway Agency.