US Bridges

Quincy Ave over Little Dry Creek

Fair

Arapahoe County, Colorado · 0.40 MI W of Univ Blvd · Structure no. CHRY-02-0.40-01

Built
1975
50 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
62 ft
1 main span
Daily traffic
4,045
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Quincy Ave over Little Dry Creek is a prestressed concrete box beam or girders - single or spread carrying Quincy Ave over Little Dry Creek in Arapahoe County, Colorado. It was built in 1975, so it is 50 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 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 4,045 vehicles a day, roughly 6% of them trucks, projected to reach 4,935 by 2041. The structure is 62 ft (18.9 m) long and 41 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesQuincy Ave
CrossesLittle Dry Creek
Location0.40 MI W of Univ Blvd
RouteCity Street 0
Coordinates39.63864, -104.96715
Functional classUrban Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating15.8 US tons
Inventory rating9.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length62 ft (18.9 m)
Longest span56 ft (17.2 m)
Deck width41 ft (12.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,045 (2021)
Projected traffic4,935 by 2041
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 Quincy Ave over Little Dry Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Quincy Ave over Little Dry Creek 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 Quincy Ave over Little Dry Creek carry?

About 4,045 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is Quincy Ave over Little Dry Creek?

The structure is 62 ft (18.9 m) long with a longest span of 56 ft (17.2 m) and a deck 41 ft wide.

Who owns Quincy Ave over Little Dry Creek?

It is owned by the City or Municipal Highway Agency.