US Bridges

I 70 Ml Wbnd over Polk Creek

Good

Eagle County, Colorado · 4.7 MI W Vail Pass Summit · Structure no. F-12-ATA

Built
2023
2 years old
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
544 ft
5 main spans
Daily traffic
23,000
2022 count
Owner
State
State Highway Agency

About this bridge

I 70 Ml Wbnd over Polk Creek is a prestressed concrete continuous box beam or girders - single or spread carrying I 70 Ml Wbnd over Polk Creek in Eagle County, Colorado. It was built in 2023, so it is 2 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 23,000 vehicles a day, projected to reach 27,807 by 2042. The structure is 544 ft (165.8 m) long and 55 ft wide.

CarriesI 70 Ml Wbnd
CrossesPolk Creek
Location4.7 MI W Vail Pass Summit
RouteInterstate 70A
Coordinates39.59237, -106.24687
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans5
Design loadHL 93
Structure length544 ft (165.8 m)
Longest span108 ft (32.8 m)
Deck width55 ft (16.8 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,000 (2022)
Projected traffic27,807 by 2042
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$15.2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I 70 Ml Wbnd over Polk Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is I 70 Ml Wbnd over Polk Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does I 70 Ml Wbnd over Polk Creek carry?

About 23,000 vehicles per day (2022 count).

How long is I 70 Ml Wbnd over Polk Creek?

The structure is 544 ft (165.8 m) long with a longest span of 108 ft (32.8 m) and a deck 55 ft wide.

Who owns I 70 Ml Wbnd over Polk Creek?

It is owned by the State Highway Agency.