US Bridges

I 70 Ml Ebnd over County Road 37.5

Fair

Mesa County, Colorado · 16.6 MI E of JCT US 6 Ml · Structure no. H-03-BC

Built
1963
62 years old
Condition
Fair
inspected March 2024
Type
Tee Beam
Concrete
Length
127 ft
3 main spans
Daily traffic
11,500
2020 count
Owner
State
State Highway Agency

About this bridge

I 70 Ml Ebnd over County Road 37.5 is a concrete tee beam carrying I 70 Ml Ebnd over County Road 37.5 in Mesa County, Colorado. It was built in 1963, so it is 62 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 11,500 vehicles a day, roughly 13% of them trucks, projected to reach 15,410 by 2040. The structure is 127 ft (38.8 m) long and 42 ft wide.

CarriesI 70 Ml Ebnd
CrossesCounty Road 37.5
Location16.6 MI E of JCT US 6 Ml
RouteInterstate 70A
Coordinates39.11758, -108.35931
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.5 US tons
Inventory rating38.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length127 ft (38.8 m)
Longest span50 ft (15.2 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,500 (2020)
Projected traffic15,410 by 2040
Trucks13%
Lanes on structure2
Traffic directionOne-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 Ebnd over County Road 37.5 built?

It was built in 1963, making it 62 years old in 2025.

What condition is I 70 Ml Ebnd over County Road 37.5 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 March 2024.

How much traffic does I 70 Ml Ebnd over County Road 37.5 carry?

About 11,500 vehicles per day (2020 count), of which roughly 13% are trucks.

How long is I 70 Ml Ebnd over County Road 37.5?

The structure is 127 ft (38.8 m) long with a longest span of 50 ft (15.2 m) and a deck 42 ft wide.

Who owns I 70 Ml Ebnd over County Road 37.5?

It is owned by the State Highway Agency.