US Bridges

I 70 Ml Wbnd over Colorado River

Poor

Eagle County, Colorado · Dotsero · Structure no. F-08-R

Built
1980
45 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
438 ft
4 main spans
Daily traffic
8,500
2020 count
Owner
State
State Highway Agency

About this bridge

I 70 Ml Wbnd over Colorado River is a steel continuous stringer/multi-beam or girder carrying I 70 Ml Wbnd over Colorado River in Eagle 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 8,500 vehicles a day, roughly 13% of them trucks, projected to reach 10,455 by 2040. The structure is 438 ft (133.6 m) long and 45 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 70 Ml Wbnd
CrossesColorado River
LocationDotsero
RouteInterstate 70A
Coordinates39.64829, -107.06386
Functional classRural Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.6 US tons
Inventory rating39.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length438 ft (133.6 m)
Longest span125 ft (38.1 m)
Deck width45 ft (13.6 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,500 (2020)
Projected traffic10,455 by 2040
Trucks13%
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I 70 Ml Wbnd over Colorado River built?

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

What condition is I 70 Ml Wbnd over Colorado River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does I 70 Ml Wbnd over Colorado River carry?

About 8,500 vehicles per day (2020 count), of which roughly 13% are trucks.

How long is I 70 Ml Wbnd over Colorado River?

The structure is 438 ft (133.6 m) long with a longest span of 125 ft (38.1 m) and a deck 45 ft wide.

Who owns I 70 Ml Wbnd over Colorado River?

It is owned by the State Highway Agency.