US Bridges

I70 Bus. Rt Wbnd over US 6 Ebnd

Fair

Mesa County, Colorado · In Grand Junction · Structure no. H-02-J

Built
1957
68 years old, rebuilt 1984
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
165 ft
3 main spans
Daily traffic
13,500
2020 count
Owner
State
State Highway Agency

About this bridge

I70 Bus. Rt Wbnd over US 6 Ebnd is a steel continuous stringer/multi-beam or girder carrying I70 Bus. Rt Wbnd over US 6 Ebnd in Mesa County, Colorado. It was built in 1957 and reconstructed in 1984, so it is 68 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 13,500 vehicles a day, roughly 5% of them trucks, projected to reach 14,985 by 2040. The structure is 165 ft (50.2 m) long and 34 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI70 Bus. Rt Wbnd
CrossesUS 6 Ebnd
LocationIn Grand Junction
RouteState Highway 70B
CountyMesa County
StateColorado
Coordinates39.07756, -108.57717
Functional classUrban Other Principal Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length165 ft (50.2 m)
Longest span61 ft (18.6 m)
Deck width34 ft (10.4 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,500 (2020)
Projected traffic14,985 by 2040
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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 I70 Bus. Rt Wbnd over US 6 Ebnd built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1984.

What condition is I70 Bus. Rt Wbnd over US 6 Ebnd 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 2025.

How much traffic does I70 Bus. Rt Wbnd over US 6 Ebnd carry?

About 13,500 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is I70 Bus. Rt Wbnd over US 6 Ebnd?

The structure is 165 ft (50.2 m) long with a longest span of 61 ft (18.6 m) and a deck 34 ft wide.

Who owns I70 Bus. Rt Wbnd over US 6 Ebnd?

It is owned by the State Highway Agency.