US Bridges

I 70 Ml Wbnd over County Road

Fair

Clear Creek County, Colorado · 5 MI E of Eisenhower Tunn · Structure no. F-13-J

Built
1972
53 years old
Condition
Fair
inspected April 2023
Type
Tee Beam
Concrete Continuous
Length
144 ft
3 main spans
Daily traffic
16,500
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 1972, so it is 53 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 5 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 16,500 vehicles a day, roughly 9% of them trucks, projected to reach 20,790 by 2040. The structure is 144 ft (43.9 m) long and 45 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 70 Ml Wbnd
CrossesCounty Road
Location5 MI E of Eisenhower Tunn
RouteInterstate 70A
Coordinates39.70173, -105.85745
Functional classRural 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
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 rating55.6 US tons
Inventory rating33.4 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 traffic16,500 (2020)
Projected traffic20,790 by 2040
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 County Road built?

It was built in 1972, making it 53 years old in 2025.

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

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

About 16,500 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is I 70 Ml Wbnd over County 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 Wbnd over County Road?

It is owned by the State Highway Agency.