US Bridges

Mineral Avenue over Willow Creek

Fair

Arapahoe County, Colorado · .5 Mile E of Quebec · Structure no. CENT 48-0.5

Built
1982
43 years old
Condition
Fair
inspected October 2023
Type
Arch - Deck
Aluminum, Wrought Iron, or Cast Iron
Length
44 ft
2 main spans
Daily traffic
24,068
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mineral Avenue over Willow Creek is a aluminum, wrought iron, or cast iron arch - deck carrying Mineral Avenue over Willow Creek in Arapahoe County, Colorado. It was built in 1982, so it is 43 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 24,068 vehicles a day, roughly 2% of them trucks, projected to reach 29,363 by 2041. The structure is 44 ft (13.3 m) long and 138 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMineral Avenue
CrossesWillow Creek
Location.5 Mile E of Quebec
RouteCity Street 0
CountyArapahoe County
StateColorado
Coordinates39.57379, -104.89922
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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeArch - Deck
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans2
Design loadHS 20
Structure length44 ft (13.3 m)
Longest span21 ft (6.5 m)
Deck width138 ft (42 m)
Roadway width52 ft (16 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,068 (2021)
Projected traffic29,363 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Mineral Avenue over Willow Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is Mineral Avenue 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 Mineral Avenue over Willow Creek carry?

About 24,068 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Mineral Avenue over Willow Creek?

The structure is 44 ft (13.3 m) long with a longest span of 21 ft (6.5 m) and a deck 138 ft wide.

Who owns Mineral Avenue over Willow Creek?

It is owned by the City or Municipal Highway Agency.