US Bridges

I 70 Ml over Ramp to I 70 Ml

Fair

Clear Creek County, Colorado · 1.7 MI E of JCT US 40 · Structure no. E-14-AL

Built
1965
60 years old, rebuilt 1988
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete Continuous
Length
160 ft
3 main spans
Daily traffic
37,000
2020 count
Owner
State
State Highway Agency

About this bridge

I 70 Ml over Ramp to I 70 Ml is a concrete continuous tee beam carrying I 70 Ml over Ramp to I 70 Ml in Clear Creek County, Colorado. It was built in 1965 and reconstructed in 1988, 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 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 37,000 vehicles a day, roughly 8% of them trucks, projected to reach 45,510 by 2040. The structure is 160 ft (48.7 m) long and 81 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 70 Ml
CrossesRamp to I 70 Ml
Location1.7 MI E of JCT US 40
RouteInterstate 70A
Coordinates39.76608, -105.62712
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.6 US tons
Inventory rating38.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length160 ft (48.7 m)
Longest span63 ft (19.2 m)
Deck width81 ft (24.6 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,000 (2020)
Projected traffic45,510 by 2040
Trucks8%
Lanes on structure5
Traffic directionTwo-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 over Ramp to I 70 Ml built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1988.

What condition is I 70 Ml over Ramp to I 70 Ml 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 August 2023.

How much traffic does I 70 Ml over Ramp to I 70 Ml carry?

About 37,000 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is I 70 Ml over Ramp to I 70 Ml?

The structure is 160 ft (48.7 m) long with a longest span of 63 ft (19.2 m) and a deck 81 ft wide.

Who owns I 70 Ml over Ramp to I 70 Ml?

It is owned by the State Highway Agency.