US Bridges

Lowell Street over Local Drainage

Good

Broomfield County, Colorado · 0.2 MI N of 136th Avenue · Structure no. BFD-LOWELL-136

Built
1998
27 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
12,221
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lowell Street over Local Drainage is a concrete culvert carrying Lowell Street over Local Drainage in Broomfield County, Colorado. It was built in 1998, so it is 27 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 12,221 vehicles a day, roughly 4% of them trucks, projected to reach 14,665 by 2043. The structure is 26 ft (7.8 m) long and 76 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesLowell Street
CrossesLocal Drainage
Location0.2 MI N of 136th Avenue
RouteCity Street 0
Coordinates39.94539, -105.03427
Functional classUrban Minor Arterial

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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97.7 US tons
Inventory rating58.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length26 ft (7.8 m)
Longest span8 ft (2.4 m)
Deck width76 ft (23.2 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,221 (2023)
Projected traffic14,665 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 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 Lowell Street over Local Drainage built?

It was built in 1998, making it 27 years old in 2025.

What condition is Lowell 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 Lowell Street over Local Drainage carry?

About 12,221 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Lowell Street over Local Drainage?

The structure is 26 ft (7.8 m) long with a longest span of 8 ft (2.4 m) and a deck 76 ft wide.

Who owns Lowell Street over Local Drainage?

It is owned by the City or Municipal Highway Agency.