US Bridges

Quebec Street over Willow Creek

Fair

Arapahoe County, Colorado · .2 Mile S of Dry Creek · Structure no. CENT 33-0.8

Built
1968
57 years old, rebuilt 1974
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
34 ft
2 main spans
Daily traffic
16,295
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Quebec Street over Willow Creek is a concrete culvert carrying Quebec Street over Willow Creek in Arapahoe County, Colorado. It was built in 1968 and reconstructed in 1974, so it is 57 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 16,295 vehicles a day, roughly 5% of them trucks, projected to reach 19,880 by 2041. The structure is 34 ft (10.3 m) long and 73 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesQuebec Street
CrossesWillow Creek
Location.2 Mile S of Dry Creek
RouteCity Street 0
Coordinates39.57643, -104.90418
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length34 ft (10.3 m)
Longest span16 ft (5 m)
Deck width73 ft (22.1 m)
Roadway width52 ft (16 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,295 (2021)
Projected traffic19,880 by 2041
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Quebec Street over Willow Creek built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 1974.

What condition is Quebec Street over Willow 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 October 2023.

How much traffic does Quebec Street over Willow Creek carry?

About 16,295 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Quebec Street over Willow Creek?

The structure is 34 ft (10.3 m) long with a longest span of 16 ft (5 m) and a deck 73 ft wide.

Who owns Quebec Street over Willow Creek?

It is owned by the City or Municipal Highway Agency.