US Bridges

Airport Blvd over I-70

Fair

Adams County, Colorado · Airport Blvd over I-70 · Structure no. AUR03.9-R.0

Built
1993
32 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
370 ft
4 main spans
Daily traffic
25,514
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Airport Blvd over I-70 is a prestressed concrete continuous stringer/multi-beam or girder carrying Airport Blvd over I-70 in Adams County, Colorado. It was built in 1993, so it is 32 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 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 25,514 vehicles a day, roughly 6% of them trucks, projected to reach 33,168 by 2041. The structure is 370 ft (112.8 m) long and 147 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesAirport Blvd
CrossesI-70
LocationAirport Blvd over I-70
RouteCity Street 0
CountyAdams County
StateColorado
Coordinates39.7658, -104.7911
Functional classUrban Other Principal Arterial

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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.7 US tons
Inventory rating36.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans4
Design loadHS 20 + Mod
Structure length370 ft (112.8 m)
Longest span94 ft (28.7 m)
Deck width147 ft (44.8 m)
Roadway width102 ft (31.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,514 (2021)
Projected traffic33,168 by 2041
Trucks6%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Airport Blvd over I-70 built?

It was built in 1993, making it 32 years old in 2025.

What condition is Airport Blvd over I-70 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 October 2023.

How much traffic does Airport Blvd over I-70 carry?

About 25,514 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is Airport Blvd over I-70?

The structure is 370 ft (112.8 m) long with a longest span of 94 ft (28.7 m) and a deck 147 ft wide.

Who owns Airport Blvd over I-70?

It is owned by the City or Municipal Highway Agency.