US Bridges

I 70 EB Ramp over US 6 Ml

Fair

Clear Creek County, Colorado · 1 MI E of Eisenhower Tunn · Structure no. F-13-P

Built
1979
46 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
278 ft
3 main spans
Daily traffic
16,500
2020 count
Owner
State
State Highway Agency

About this bridge

I 70 EB Ramp over US 6 Ml is a steel continuous stringer/multi-beam or girder carrying I 70 EB Ramp over US 6 Ml in Clear Creek County, Colorado. It was built in 1979, so it is 46 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 16,500 vehicles a day, roughly 9% of them trucks, projected to reach 20,790 by 2040. The structure is 278 ft (84.7 m) long and 45 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI 70 EB Ramp
CrossesUS 6 Ml
Location1 MI E of Eisenhower Tunn
RouteInterstate 70A
CountyClear Creek County
StateColorado
Coordinates39.68298, -105.88778
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.2 US tons
Inventory rating44.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length278 ft (84.7 m)
Longest span98 ft (29.9 m)
Deck width45 ft (13.6 m)
Roadway width41 ft (12.5 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
CarriesOverpass structure at an interchange
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$668,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I 70 EB Ramp over US 6 Ml built?

It was built in 1979, making it 46 years old in 2025.

What condition is I 70 EB Ramp over US 6 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 September 2023.

How much traffic does I 70 EB Ramp over US 6 Ml carry?

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

How long is I 70 EB Ramp over US 6 Ml?

The structure is 278 ft (84.7 m) long with a longest span of 98 ft (29.9 m) and a deck 45 ft wide.

Who owns I 70 EB Ramp over US 6 Ml?

It is owned by the State Highway Agency.