US Bridges

I 270 Ebnd Ml over I25NB/I25HOV/WB I 270

Fair

Adams County, Colorado · Sbnd I25 & Ebnd I270 · Structure no. E-17-QJ

Built
2009
16 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
1,425 ft
8 main spans
Daily traffic
18,000
2018 count
Owner
State
State Highway Agency

About this bridge

I 270 Ebnd Ml over I25NB/I25HOV/WB I 270 is a prestressed concrete continuous box beam or girders - single or spread carrying I 270 Ebnd Ml over I25NB/I25HOV/WB I 270 in Adams County, Colorado. It was built in 2009, so it is 16 years old, younger 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 18,000 vehicles a day, roughly 6% of them trucks, projected to reach 45,520 by 2028. The structure is 1,425 ft (434.3 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 270 Ebnd Ml
CrossesI25NB/I25HOV/WB I 270
LocationSbnd I25 & Ebnd I270
RouteInterstate 270B
Coordinates39.83065, -104.98309
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.9 US tons
Inventory rating53.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans8
Design loadHL 93
Structure length1,425 ft (434.3 m)
Longest span200 ft (61 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,000 (2018)
Projected traffic45,520 by 2028
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesThird level (interchange)
CrossesHighway
Detour if closed1.2 mi (2 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 270 Ebnd Ml over I25NB/I25HOV/WB I 270 built?

It was built in 2009, making it 16 years old in 2025.

What condition is I 270 Ebnd Ml over I25NB/I25HOV/WB I 270 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 September 2023.

How much traffic does I 270 Ebnd Ml over I25NB/I25HOV/WB I 270 carry?

About 18,000 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is I 270 Ebnd Ml over I25NB/I25HOV/WB I 270?

The structure is 1,425 ft (434.3 m) long with a longest span of 200 ft (61 m) and a deck 47 ft wide.

Who owns I 270 Ebnd Ml over I25NB/I25HOV/WB I 270?

It is owned by the State Highway Agency.