US Bridges

Lowell Blvd SB over Lowell Channel

Good

Broomfield County, Colorado · 0.15 MI S of SH7 · Structure no. BFD-LOWL-ARSBND

Built
2005
20 years old
Condition
Good
inspected January 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
4,426
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lowell Blvd SB over Lowell Channel is a prestressed concrete box beam or girders - multiple carrying Lowell Blvd SB over Lowell Channel in Broomfield County, Colorado. It was built in 2005, so it is 20 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 4,426 vehicles a day, roughly 5% of them trucks, projected to reach 5,311 by 2043. The structure is 60 ft (18.3 m) long and 45 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLowell Blvd SB
CrossesLowell Channel
Location0.15 MI S of SH7
RouteCity Street 0
Coordinates39.99778, -105.03816
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 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 rating72.1 US tons
Inventory rating50 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length60 ft (18.3 m)
Longest span54 ft (16.5 m)
Deck width45 ft (13.7 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,426 (2023)
Projected traffic5,311 by 2043
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Blvd SB over Lowell Channel built?

It was built in 2005, making it 20 years old in 2025.

What condition is Lowell Blvd SB over Lowell Channel 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 Blvd SB over Lowell Channel carry?

About 4,426 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Lowell Blvd SB over Lowell Channel?

The structure is 60 ft (18.3 m) long with a longest span of 54 ft (16.5 m) and a deck 45 ft wide.

Who owns Lowell Blvd SB over Lowell Channel?

It is owned by the City or Municipal Highway Agency.