US Bridges

I 70 Ml Ebnd over Avon Road

Fair

Eagle County, Colorado · Avon Interchange · Structure no. F-10-T

Built
1971
54 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete Continuous
Length
144 ft
3 main spans
Daily traffic
17,000
2020 count
Owner
State
State Highway Agency

About this bridge

I 70 Ml Ebnd over Avon Road is a concrete continuous tee beam carrying I 70 Ml Ebnd over Avon Road in Eagle County, Colorado. It was built in 1971, so it is 54 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 17,000 vehicles a day, roughly 8% of them trucks, projected to reach 22,440 by 2040. The structure is 144 ft (43.9 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 70 Ml Ebnd
CrossesAvon Road
LocationAvon Interchange
RouteInterstate 70A
Coordinates39.63722, -106.52166
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
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 rating56.1 US tons
Inventory rating33.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length144 ft (43.9 m)
Longest span58 ft (17.7 m)
Deck width45 ft (13.6 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,000 (2020)
Projected traffic22,440 by 2040
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$346,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I 70 Ml Ebnd over Avon Road built?

It was built in 1971, making it 54 years old in 2025.

What condition is I 70 Ml Ebnd over Avon Road 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 Ebnd over Avon Road carry?

About 17,000 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is I 70 Ml Ebnd over Avon Road?

The structure is 144 ft (43.9 m) long with a longest span of 58 ft (17.7 m) and a deck 45 ft wide.

Who owns I 70 Ml Ebnd over Avon Road?

It is owned by the State Highway Agency.