US Bridges

I 70 Ml Wbnd over Big Horn RD

Fair

Eagle County, Colorado · E. Vail Interchange · Structure no. F-11-AH

Built
1975
50 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete Continuous
Length
115 ft
3 main spans
Daily traffic
12,500
2020 count
Owner
State
State Highway Agency

About this bridge

I 70 Ml Wbnd over Big Horn RD is a concrete continuous tee beam carrying I 70 Ml Wbnd over Big Horn RD in Eagle County, Colorado. It was built in 1975, so it is 50 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 12,500 vehicles a day, roughly 11% of them trucks, projected to reach 15,125 by 2040. The structure is 115 ft (35.1 m) long and 45 ft wide.

CarriesI 70 Ml Wbnd
CrossesBig Horn RD
LocationE. Vail Interchange
RouteInterstate 70A
Coordinates39.64461, -106.30784
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length115 ft (35.1 m)
Longest span48 ft (14.6 m)
Deck width45 ft (13.6 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,500 (2020)
Projected traffic15,125 by 2040
Trucks11%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 Big Horn RD built?

It was built in 1975, making it 50 years old in 2025.

What condition is I 70 Ml Wbnd over Big Horn RD 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 July 2024.

How much traffic does I 70 Ml Wbnd over Big Horn RD carry?

About 12,500 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is I 70 Ml Wbnd over Big Horn RD?

The structure is 115 ft (35.1 m) long with a longest span of 48 ft (14.6 m) and a deck 45 ft wide.

Who owns I 70 Ml Wbnd over Big Horn RD?

It is owned by the State Highway Agency.