US Bridges

168th Avenue over Speer Canal

Good

Weld County, Colorado · 1.1 Miles West of I-76 · Structure no. BRIM168-60-.09W

Built
2023
2 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete
Length
28 ft
1 main span
Daily traffic
8,798
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

168th Avenue over Speer Canal is a concrete culvert carrying 168th Avenue over Speer Canal in Weld County, Colorado. It was built in 2023, so it is 2 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 8,798 vehicles a day, roughly 4% of them trucks, projected to reach 11,437 by 2041. The structure is 28 ft (8.5 m) long and 121 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries168th Avenue
CrossesSpeer Canal
Location1.1 Miles West of I-76
RouteCity Street 0
CountyWeld County
StateColorado
Coordinates40.00056, -104.73556
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 inspectionDecember 2023
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 rating106.8 US tons
Inventory rating88.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width121 ft (36.8 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,798 (2021)
Projected traffic11,437 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-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 168th Avenue over Speer Canal built?

It was built in 2023, making it 2 years old in 2025.

What condition is 168th Avenue over Speer Canal 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 December 2023.

How much traffic does 168th Avenue over Speer Canal carry?

About 8,798 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is 168th Avenue over Speer Canal?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m) and a deck 121 ft wide.

Who owns 168th Avenue over Speer Canal?

It is owned by the City or Municipal Highway Agency.