US Bridges

Mineral Ave over Lee Gulch

Fair

Arapahoe County, Colorado · 0.3 MI S of Dry Creek · Structure no. LTNF.150-04.150

Built
2021
4 years old
Condition
Fair
inspected September 2023
Type
Culvert
Steel
Length
24 ft
3 main spans
Daily traffic
19,170
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mineral Ave over Lee Gulch is a steel culvert carrying Mineral Ave over Lee Gulch in Arapahoe County, Colorado. It was built in 2021, so it is 4 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 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 19,170 vehicles a day, projected to reach 23,387 by 2042. The structure is 24 ft (7.2 m) long and 160 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMineral Ave
CrossesLee Gulch
Location0.3 MI S of Dry Creek
RouteCity Street 0
Coordinates39.57674, -104.98081
Functional classUrban Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106.8 US tons
Inventory rating106.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length24 ft (7.2 m)
Longest span7 ft (2.1 m)
Deck width160 ft (48.9 m)
Roadway width62 ft (18.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,170 (2022)
Projected traffic23,387 by 2042
Trucks0%
Lanes on structure4
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mineral Ave over Lee Gulch built?

It was built in 2021, making it 4 years old in 2025.

What condition is Mineral Ave over Lee Gulch 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 Mineral Ave over Lee Gulch carry?

About 19,170 vehicles per day (2022 count).

How long is Mineral Ave over Lee Gulch?

The structure is 24 ft (7.2 m) long with a longest span of 7 ft (2.1 m) and a deck 160 ft wide.

Who owns Mineral Ave over Lee Gulch?

It is owned by the City or Municipal Highway Agency.