US Bridges

I 70 Ml Wbnd over Access RD Grizzly Creek

Good

Garfield County, Colorado · Grzly Crk-Rst Glnwd Cnyn · Structure no. F-08-AA

Built
1986
39 years old
Condition
Good
inspected May 2024
Type
Segmental Box Girder
Prestressed Concrete Continuous
Length
428 ft
4 main spans
Daily traffic
8,500
2020 count
Owner
State
State Highway Agency

About this bridge

I 70 Ml Wbnd over Access RD Grizzly Creek is a prestressed concrete continuous segmental box girder carrying I 70 Ml Wbnd over Access RD Grizzly Creek in Garfield County, Colorado. It was built in 1986, so it is 39 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 428 ft (130.5 m) long and 37 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 70 Ml Wbnd
CrossesAccess RD Grizzly Creek
LocationGrzly Crk-Rst Glnwd Cnyn
RouteInterstate 70A
Coordinates39.56121, -107.25129
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 above top of footing
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 rating63.2 US tons
Inventory rating37.8 US tons

Structure

Structure typeSegmental Box Girder
MaterialPrestressed Concrete Continuous
DeckOther
Main spans4
Design loadHS 20 + Mod
Structure length428 ft (130.5 m)
Longest span123 ft (37.4 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
CarriesHighway
CrossesHighway and waterway
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 Ml Wbnd over Access RD Grizzly Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is I 70 Ml Wbnd over Access RD 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 May 2024.

How much traffic does I 70 Ml Wbnd over Access RD 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 Access RD Grizzly Creek?

The structure is 428 ft (130.5 m) long with a longest span of 123 ft (37.4 m) and a deck 37 ft wide.

Who owns I 70 Ml Wbnd over Access RD Grizzly Creek?

It is owned by the State Highway Agency.