US Bridges

County Road 13 over Larimer County Canal

Good

Larimer County, Colorado · 125 Ft N of CO RD 54 · Structure no. LR13-0.0-54-A

Built
1988
37 years old, rebuilt 2017
Condition
Good
inspected March 2025
Type
Slab
Concrete
Length
42 ft
1 main span
Daily traffic
388
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 13 over Larimer County Canal is a concrete slab carrying County Road 13 over Larimer County Canal in Larimer County, Colorado. It was built in 1988 and reconstructed in 2017, so it is 37 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 388 vehicles a day, roughly 19% of them trucks, projected to reach 485 by 2043. The structure is 42 ft (12.8 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Road 13
CrossesLarimer County Canal
Location125 Ft N of CO RD 54
RouteCounty Highway 0
CountyLarimer County
StateColorado
Coordinates40.63978, -105.05714
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.1 US tons
Inventory rating35.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span38 ft (11.5 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic388 (2023)
Projected traffic485 by 2043
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 County Road 13 over Larimer County Canal built?

It was built in 1988, making it 37 years old in 2025. It was reconstructed in 2017.

What condition is County Road 13 over Larimer County 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 March 2025.

How much traffic does County Road 13 over Larimer County Canal carry?

About 388 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is County Road 13 over Larimer County Canal?

The structure is 42 ft (12.8 m) long with a longest span of 38 ft (11.5 m) and a deck 34 ft wide.

Who owns County Road 13 over Larimer County Canal?

It is owned by the County Highway Agency.