US Bridges

Alameda Ave over Columbia Creek

Fair

Arapahoe County, Colorado · 0.3 MI W of Buckley Road · Structure no. AUR09.6-K.5

Built
1978
47 years old
Condition
Fair
inspected November 2021
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
21,562
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Alameda Ave over Columbia Creek is a concrete culvert carrying Alameda Ave over Columbia Creek in Arapahoe County, Colorado. It was built in 1978, so it is 47 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 21,562 vehicles a day, roughly 5% of them trucks, projected to reach 26,306 by 2041. The structure is 24 ft (7.4 m) long and 126 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesAlameda Ave
CrossesColumbia Creek
Location0.3 MI W of Buckley Road
RouteCity Street 0
Coordinates39.70661, -104.79559
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 inspectionNovember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
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 loadHS 20
Structure length24 ft (7.4 m)
Longest span11 ft (3.5 m)
Deck width126 ft (38.4 m)
Roadway width124 ft (37.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,562 (2021)
Projected traffic26,306 by 2041
Trucks5%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Alameda Ave over Columbia Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is Alameda Ave over Columbia 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 November 2021.

How much traffic does Alameda Ave over Columbia Creek carry?

About 21,562 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Alameda Ave over Columbia Creek?

The structure is 24 ft (7.4 m) long with a longest span of 11 ft (3.5 m) and a deck 126 ft wide.

Who owns Alameda Ave over Columbia Creek?

It is owned by the City or Municipal Highway Agency.