US Bridges

I 70 Ml Wbnd over N Channel-Colorado Rvr

Fair

Mesa County, Colorado · 10.5 Mi. W. of Jct. U.S. · Structure no. H-01-AB

Built
1970
55 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
218 ft
3 main spans
Daily traffic
5,500
2020 count
Owner
State
State Highway Agency

About this bridge

I 70 Ml Wbnd over N Channel-Colorado Rvr is a steel continuous stringer/multi-beam or girder carrying I 70 Ml Wbnd over N Channel-Colorado Rvr in Mesa County, Colorado. It was built in 1970, so it is 55 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 5,500 vehicles a day, roughly 23% of them trucks, projected to reach 6,985 by 2040. The structure is 218 ft (66.5 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 70 Ml Wbnd
CrossesN Channel-Colorado Rvr
Location10.5 Mi. W. of Jct. U.S.
RouteInterstate 70A
Coordinates39.16316, -108.77597
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating32.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length218 ft (66.5 m)
Longest span82 ft (25.1 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,500 (2020)
Projected traffic6,985 by 2040
Trucks23%
Lanes on structure2
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$1,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I 70 Ml Wbnd over N Channel-Colorado Rvr built?

It was built in 1970, making it 55 years old in 2025.

What condition is I 70 Ml Wbnd over N Channel-Colorado Rvr 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 Wbnd over N Channel-Colorado Rvr carry?

About 5,500 vehicles per day (2020 count), of which roughly 23% are trucks.

How long is I 70 Ml Wbnd over N Channel-Colorado Rvr?

The structure is 218 ft (66.5 m) long with a longest span of 82 ft (25.1 m) and a deck 42 ft wide.

Who owns I 70 Ml Wbnd over N Channel-Colorado Rvr?

It is owned by the State Highway Agency.