US Bridges

I 70 Ml over SH 82 Ml

Fair

Garfield County, Colorado · Glenwood Springs · Structure no. F-07-AI

Built
1970
55 years old
Condition
Fair
inspected November 2024
Type
Tee Beam
Concrete Continuous
Length
142 ft
3 main spans
Daily traffic
24,000
2020 count
Owner
State
State Highway Agency

About this bridge

I 70 Ml over SH 82 Ml is a concrete continuous tee beam carrying I 70 Ml over SH 82 Ml in Garfield County, Colorado. It was built in 1970, so it is 55 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 5 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 24,000 vehicles a day, roughly 12% of them trucks, projected to reach 29,760 by 2040. The structure is 142 ft (43.3 m) long and 69 ft wide.

CarriesI 70 Ml
CrossesSH 82 Ml
LocationGlenwood Springs
RouteInterstate 70A
Coordinates39.54953, -107.32837
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckOther
Main spans3
Design loadHS 20 + Mod
Structure length142 ft (43.3 m)
Longest span57 ft (17.4 m)
Deck width69 ft (20.9 m)
Roadway width65 ft (19.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,000 (2020)
Projected traffic29,760 by 2040
Trucks12%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 SH 82 Ml built?

It was built in 1970, making it 55 years old in 2025.

What condition is I 70 Ml over SH 82 Ml 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 SH 82 Ml carry?

About 24,000 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is I 70 Ml over SH 82 Ml?

The structure is 142 ft (43.3 m) long with a longest span of 57 ft (17.4 m) and a deck 69 ft wide.

Who owns I 70 Ml over SH 82 Ml?

It is owned by the State Highway Agency.