US Bridges

Laporte Avenue over New Mercer Canal

Good

Larimer County, Colorado · 0.08 MI E of Taft Hill · Structure no. FCLPT-0.1-TFTH

Built
2023
2 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
9,091
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Laporte Avenue over New Mercer Canal is a concrete culvert carrying Laporte Avenue over New Mercer Canal in Larimer 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 9,091 vehicles a day, roughly 6% of them trucks, projected to reach 11,364 by 2041. The structure is 24 ft (7.2 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLaporte Avenue
CrossesNew Mercer Canal
Location0.08 MI E of Taft Hill
RouteCity Street 0
Coordinates40.58926, -105.11337
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.
Culvert9 ExcellentNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable 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 rating79.7 US tons
Inventory rating61.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length24 ft (7.2 m)
Longest span24 ft (7.2 m)
Deck width53 ft (16.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,091 (2021)
Projected traffic11,364 by 2041
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Laporte Avenue over New Mercer Canal built?

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

What condition is Laporte Avenue over New Mercer 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 July 2023.

How much traffic does Laporte Avenue over New Mercer Canal carry?

About 9,091 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is Laporte Avenue over New Mercer Canal?

The structure is 24 ft (7.2 m) long with a longest span of 24 ft (7.2 m) and a deck 53 ft wide.

Who owns Laporte Avenue over New Mercer Canal?

It is owned by the City or Municipal Highway Agency.