US Bridges

Quebec Street over E Airlawn Road

Fair

Denver County, Colorado · 0.2 MI South of I70 · Structure no. D-04-BOST-041

Built
1961
64 years old, rebuilt 1971
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
166 ft
3 main spans
Daily traffic
62,614
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Quebec Street over E Airlawn Road is a prestressed concrete stringer/multi-beam or girder carrying Quebec Street over E Airlawn Road in Denver County, Colorado. It was built in 1961 and reconstructed in 1971, so it is 64 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 62,614 vehicles a day, roughly 11% of them trucks, projected to reach 69,502 by 2041. The structure is 166 ft (50.7 m) long and 91 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesQuebec Street
CrossesE Airlawn Road
Location0.2 MI South of I70
RouteCity Street 0
Coordinates39.77603, -104.90366
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length166 ft (50.7 m)
Longest span68 ft (20.6 m)
Deck width91 ft (27.6 m)
Roadway width86 ft (26.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic62,614 (2021)
Projected traffic69,502 by 2041
Trucks11%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Quebec Street over E Airlawn Road built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1971.

What condition is Quebec Street over E Airlawn Road 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 Quebec Street over E Airlawn Road carry?

About 62,614 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is Quebec Street over E Airlawn Road?

The structure is 166 ft (50.7 m) long with a longest span of 68 ft (20.6 m) and a deck 91 ft wide.

Who owns Quebec Street over E Airlawn Road?

It is owned by the City or Municipal Highway Agency.