US Bridges

Briarwood Ave over Cottonwood Creek

Fair

Arapahoe County, Colorado · 250 Ft W of Lima ST · Structure no. CENT 42.5-10.4

Built
1988
37 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
5,122
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Briarwood Ave over Cottonwood Creek is a concrete culvert carrying Briarwood Ave over Cottonwood Creek in Arapahoe County, Colorado. It was built in 1988, so it is 37 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 5,122 vehicles a day, roughly 2% of them trucks, projected to reach 6,249 by 2041. The structure is 31 ft (9.6 m) long and 142 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBriarwood Ave
CrossesCottonwood Creek
Location250 Ft W of Lima ST
RouteCity Street 0
Coordinates39.59283, -104.85829
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 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 geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating109.3 US tons
Inventory rating91.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length31 ft (9.6 m)
Longest span12 ft (3.7 m)
Deck width142 ft (43.4 m)
Roadway width65 ft (19.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,122 (2021)
Projected traffic6,249 by 2041
Trucks2%
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Briarwood Ave over Cottonwood Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is Briarwood Ave over Cottonwood 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 Briarwood Ave over Cottonwood Creek carry?

About 5,122 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Briarwood Ave over Cottonwood Creek?

The structure is 31 ft (9.6 m) long with a longest span of 12 ft (3.7 m) and a deck 142 ft wide.

Who owns Briarwood Ave over Cottonwood Creek?

It is owned by the City or Municipal Highway Agency.