US Bridges

I 70 EB Offramp over CO River Bp R

Good

Garfield County, Colorado · W. of Hanging Lake Tunnel · Structure no. F-08-AN

Built
1992
33 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
694 ft
5 main spans
Daily traffic
356
2023 count
Owner
State
State Highway Agency

About this bridge

I 70 EB Offramp over CO River Bp R is a steel continuous stringer/multi-beam or girder carrying I 70 EB Offramp over CO River Bp R 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 356 vehicles a day, roughly 13% of them trucks, projected to reach 452 by 2042. The structure is 694 ft (211.6 m) long and 28 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 70 EB Offramp
CrossesCO River Bp R
LocationW. of Hanging Lake Tunnel
RouteInterstate 70A
Coordinates39.586, -107.19709
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 inspectionMay 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.4 US tons
Inventory rating36.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length694 ft (211.6 m)
Longest span151 ft (45.9 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck15 ft (4.5 m)

Traffic and service

Average daily traffic356 (2023)
Projected traffic452 by 2042
Trucks13%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$3,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I 70 EB Offramp over CO River Bp R built?

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

What condition is I 70 EB Offramp over CO River Bp R 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 May 2024.

How much traffic does I 70 EB Offramp over CO River Bp R carry?

About 356 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is I 70 EB Offramp over CO River Bp R?

The structure is 694 ft (211.6 m) long with a longest span of 151 ft (45.9 m) and a deck 28 ft wide.

Who owns I 70 EB Offramp over CO River Bp R?

It is owned by the State Highway Agency.