US Bridges

Kirk Street over Local Drainage

Good

Broomfield County, Colorado · 50 Ft N of E. 1st Street · Structure no. BFD-KIRK-E.1ST

Built
1999
26 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete
Length
33 ft
2 main spans
Daily traffic
1,384
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Kirk Street over Local Drainage is a concrete culvert carrying Kirk Street over Local Drainage in Broomfield County, Colorado. It was built in 1999, so it is 26 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,384 vehicles a day, roughly 6% of them trucks, projected to reach 1,661 by 2043. The structure is 33 ft (10 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesKirk Street
CrossesLocal Drainage
Location50 Ft N of E. 1st Street
RouteCity Street 0
Coordinates39.91529, -105.06028
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating75.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length33 ft (10 m)
Longest span16 ft (4.9 m)
Deck width40 ft (12.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,384 (2023)
Projected traffic1,661 by 2043
Trucks6%
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 Kirk Street over Local Drainage built?

It was built in 1999, making it 26 years old in 2025.

What condition is Kirk Street over Local Drainage in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2025.

How much traffic does Kirk Street over Local Drainage carry?

About 1,384 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Kirk Street over Local Drainage?

The structure is 33 ft (10 m) long with a longest span of 16 ft (4.9 m) and a deck 40 ft wide.

Who owns Kirk Street over Local Drainage?

It is owned by the City or Municipal Highway Agency.