US Bridges

I 70 Frontage RD over I 70 Ml

Fair

Mesa County, Colorado · 2.9 MI W of Debeque Exit · Structure no. G-04-AL

Built
1982
43 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
237 ft
2 main spans
Daily traffic
25
2022 count
Owner
State
State Highway Agency

About this bridge

I 70 Frontage RD over I 70 Ml is a prestressed concrete continuous box beam or girders - multiple carrying I 70 Frontage RD over I 70 Ml in Mesa County, Colorado. It was built in 1982, so it is 43 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 25 vehicles a day, projected to reach 30 by 2042. The structure is 237 ft (72.1 m) long and 34 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 70 Frontage RD
CrossesI 70 Ml
Location2.9 MI W of Debeque Exit
RouteInterstate 70A
Coordinates39.28586, -108.22837
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating60.8 US tons
Inventory rating36.4 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckOther
Main spans2
Design loadHS 20 + Mod
Structure length237 ft (72.1 m)
Longest span117 ft (35.7 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2022)
Projected traffic30 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 Frontage RD over I 70 Ml built?

It was built in 1982, making it 43 years old in 2025.

What condition is I 70 Frontage RD over I 70 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 Frontage RD over I 70 Ml carry?

About 25 vehicles per day (2022 count).

How long is I 70 Frontage RD over I 70 Ml?

The structure is 237 ft (72.1 m) long with a longest span of 117 ft (35.7 m) and a deck 34 ft wide.

Who owns I 70 Frontage RD over I 70 Ml?

It is owned by the State Highway Agency.