US Bridges

County Road 11C over Boyd/Horseshoe Canal

Good

Larimer County, Colorado · 1 MI S of CO RD 24E · Structure no. LR11C-0.7-24E-A

Built
2015
10 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
44 ft
3 main spans
Daily traffic
7,723
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 11C over Boyd/Horseshoe Canal is a concrete culvert carrying County Road 11C over Boyd/Horseshoe Canal in Larimer County, Colorado. It was built in 2015, so it is 10 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 7,723 vehicles a day, roughly 27% of them trucks, projected to reach 9,654 by 2042. The structure is 44 ft (13.3 m) long and 39 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCounty Road 11C
CrossesBoyd/Horseshoe Canal
Location1 MI S of CO RD 24E
RouteCounty Highway 0
CountyLarimer County
StateColorado
Coordinates40.43861, -105.04528
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 inspectionJune 2023
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 rating82.1 US tons
Inventory rating64.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length44 ft (13.3 m)
Longest span14 ft (4.3 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,723 (2023)
Projected traffic9,654 by 2042
Trucks27%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 11C over Boyd/Horseshoe Canal built?

It was built in 2015, making it 10 years old in 2025.

What condition is County Road 11C over Boyd/Horseshoe 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 June 2023.

How much traffic does County Road 11C over Boyd/Horseshoe Canal carry?

About 7,723 vehicles per day (2023 count), of which roughly 27% are trucks.

How long is County Road 11C over Boyd/Horseshoe Canal?

The structure is 44 ft (13.3 m) long with a longest span of 14 ft (4.3 m) and a deck 39 ft wide.

Who owns County Road 11C over Boyd/Horseshoe Canal?

It is owned by the County Highway Agency.