US Bridges

I 70 Ml over Canyon Creek

Fair

Garfield County, Colorado · 5 Mi. W. of Glenwood Spgs · Structure no. F-07-U

Built
1971
54 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
33,000
2020 count
Owner
State
State Highway Agency

About this bridge

I 70 Ml over Canyon Creek is a concrete culvert carrying I 70 Ml over Canyon Creek in Garfield County, Colorado. It was built in 1971, so it is 54 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 33,000 vehicles a day, roughly 11% of them trucks, projected to reach 41,910 by 2040. The structure is 22 ft (6.7 m) long and 212 ft wide. If it were closed, the detour would be 62.1 mi (100 km).

CarriesI 70 Ml
CrossesCanyon Creek
Location5 Mi. W. of Glenwood Spgs
RouteInterstate 70A
Coordinates39.57465, -107.44794
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.7 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width212 ft (64.7 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33,000 (2020)
Projected traffic41,910 by 2040
Trucks11%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed62.1 mi (100 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 over Canyon Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is I 70 Ml over Canyon Creek 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 November 2024.

How much traffic does I 70 Ml over Canyon Creek carry?

About 33,000 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is I 70 Ml over Canyon Creek?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 212 ft wide.

Who owns I 70 Ml over Canyon Creek?

It is owned by the State Highway Agency.