US Bridges

I 70 Ml Wbnd over Ramp to Grizzly Creek

Good

Garfield County, Colorado · Grizzly Creek Interchange · Structure no. F-08-AC

Built
1988
37 years old
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
255 ft
2 main spans
Daily traffic
8,500
2020 count
Owner
State
State Highway Agency

About this bridge

I 70 Ml Wbnd over Ramp to Grizzly Creek is a prestressed concrete continuous box beam or girders - multiple carrying I 70 Ml Wbnd over Ramp to Grizzly Creek in Garfield County, Colorado. It was built in 1988, so it is 37 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 255 ft (77.8 m) long and 37 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 70 Ml Wbnd
CrossesRamp to Grizzly Creek
LocationGrizzly Creek Interchange
RouteInterstate 70A
Coordinates39.56001, -107.24852
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.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating56.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length255 ft (77.8 m)
Longest span125 ft (38.1 m)
Deck width37 ft (11.4 m)
Roadway width35 ft (10.8 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
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 Ramp to Grizzly Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is I 70 Ml Wbnd over Ramp to Grizzly Creek 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 Ramp to Grizzly Creek carry?

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

How long is I 70 Ml Wbnd over Ramp to Grizzly Creek?

The structure is 255 ft (77.8 m) long with a longest span of 125 ft (38.1 m) and a deck 37 ft wide.

Who owns I 70 Ml Wbnd over Ramp to Grizzly Creek?

It is owned by the State Highway Agency.