US Bridges

Briarwood Drive over Local Drainage

Fair

Broomfield County, Colorado · Just South of Trails Ave · Structure no. BFD-BRIARWD-TRL

Built
1987
38 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete
Length
21 ft
4 main spans
Daily traffic
290
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Briarwood Drive over Local Drainage is a concrete culvert carrying Briarwood Drive over Local Drainage in Broomfield County, Colorado. It was built in 1987, so it is 38 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 290 vehicles a day, roughly 12% of them trucks, projected to reach 347 by 2043. The structure is 21 ft (6.5 m) long and 57 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesBriarwood Drive
CrossesLocal Drainage
LocationJust South of Trails Ave
RouteCity Street 0
CountyBroomfield County
StateColorado
Coordinates39.9389, -105.03298
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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal 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 spans4
Design loadHS 20
Structure length21 ft (6.5 m)
Longest span4 ft (1.2 m)
Deck width57 ft (17.3 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic290 (2023)
Projected traffic347 by 2043
Trucks12%
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Briarwood Drive over Local Drainage built?

It was built in 1987, making it 38 years old in 2025.

What condition is Briarwood Drive over Local Drainage 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 January 2025.

How much traffic does Briarwood Drive over Local Drainage carry?

About 290 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is Briarwood Drive over Local Drainage?

The structure is 21 ft (6.5 m) long with a longest span of 4 ft (1.2 m) and a deck 57 ft wide.

Who owns Briarwood Drive over Local Drainage?

It is owned by the City or Municipal Highway Agency.