US Bridges

I 70 Ml Wbnd over I70 Ramp RR Colo Rvr

Good

Garfield County, Colorado · W End Hanging Lake Tunnel · Structure no. F-08-AM

Built
1992
33 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
715 ft
3 main spans
Daily traffic
8,500
2020 count
Owner
State
State Highway Agency

About this bridge

I 70 Ml Wbnd over I70 Ramp RR Colo Rvr is a steel continuous stringer/multi-beam or girder carrying I 70 Ml Wbnd over I70 Ramp RR Colo Rvr in Garfield County, Colorado. It was built in 1992, so it is 33 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 8,500 vehicles a day, roughly 13% of them trucks, projected to reach 10,455 by 2040. The structure is 715 ft (217.8 m) long and 35 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 70 Ml Wbnd
CrossesI70 Ramp RR Colo Rvr
LocationW End Hanging Lake Tunnel
RouteInterstate 70A
Coordinates39.58656, -107.19653
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.5 US tons
Inventory rating36.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length715 ft (217.8 m)
Longest span274 ft (83.5 m)
Deck width35 ft (10.8 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,500 (2020)
Projected traffic10,455 by 2040
Trucks13%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway, waterway and railroad
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 I70 Ramp RR Colo Rvr built?

It was built in 1992, making it 33 years old in 2025.

What condition is I 70 Ml Wbnd over I70 Ramp RR Colo Rvr 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 I70 Ramp RR Colo Rvr carry?

About 8,500 vehicles per day (2020 count), of which roughly 13% are trucks.

How long is I 70 Ml Wbnd over I70 Ramp RR Colo Rvr?

The structure is 715 ft (217.8 m) long with a longest span of 274 ft (83.5 m) and a deck 35 ft wide.

Who owns I 70 Ml Wbnd over I70 Ramp RR Colo Rvr?

It is owned by the State Highway Agency.