US Bridges

I 70 Ml Wbnd over County Road

Good

Clear Creek County, Colorado · Downieville Int. · Structure no. E-14-AJ

Built
1965
60 years old
Condition
Good
inspected August 2023
Type
Tee Beam
Concrete Continuous
Length
119 ft
3 main spans
Daily traffic
18,500
2020 count
Owner
State
State Highway Agency

About this bridge

I 70 Ml Wbnd over County Road is a concrete continuous tee beam carrying I 70 Ml Wbnd over County Road in Clear Creek County, Colorado. It was built in 1965, so it is 60 years old, older 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 18,500 vehicles a day, roughly 8% of them trucks, projected to reach 22,755 by 2040. The structure is 119 ft (36.3 m) long and 42 ft wide.

CarriesI 70 Ml Wbnd
CrossesCounty Road
LocationDownieville Int.
RouteInterstate 70A
Coordinates39.76556, -105.61395
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.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.1 US tons
Inventory rating32.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length119 ft (36.3 m)
Longest span47 ft (14.3 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,500 (2020)
Projected traffic22,755 by 2040
Trucks8%
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 County Road built?

It was built in 1965, making it 60 years old in 2025.

What condition is I 70 Ml Wbnd over County Road 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 2023.

How much traffic does I 70 Ml Wbnd over County Road carry?

About 18,500 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is I 70 Ml Wbnd over County Road?

The structure is 119 ft (36.3 m) long with a longest span of 47 ft (14.3 m) and a deck 42 ft wide.

Who owns I 70 Ml Wbnd over County Road?

It is owned by the State Highway Agency.