US Bridges

Prospect Road over Larimer Co. Canal No. 2

Fair

Larimer County, Colorado · 20 Ft. E of Lynnwood St. · Structure no. FCPRST-0.0LYNWA

Built
1989
36 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
35 ft
1 main span
Daily traffic
17,385
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Prospect Road over Larimer Co. Canal No. 2 is a concrete culvert carrying Prospect Road over Larimer Co. Canal No. 2 in Larimer County, Colorado. It was built in 1989, so it is 36 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 17,385 vehicles a day, roughly 4% of them trucks, projected to reach 21,731 by 2042. The structure is 35 ft (10.6 m) long and 87 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesProspect Road
CrossesLarimer Co. Canal No. 2
Location20 Ft. E of Lynnwood St.
RouteCity Street 0
CountyLarimer County
StateColorado
Coordinates40.56753, -105.10267
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.8 US tons
Inventory rating31 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length35 ft (10.6 m)
Longest span35 ft (10.6 m)
Deck width87 ft (26.5 m)
Roadway width70 ft (21.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,385 (2023)
Projected traffic21,731 by 2042
Trucks4%
Lanes on structure5
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 Prospect Road over Larimer Co. Canal No. 2 built?

It was built in 1989, making it 36 years old in 2025.

What condition is Prospect Road over Larimer Co. Canal No. 2 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2023.

How much traffic does Prospect Road over Larimer Co. Canal No. 2 carry?

About 17,385 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Prospect Road over Larimer Co. Canal No. 2?

The structure is 35 ft (10.6 m) long with a longest span of 35 ft (10.6 m) and a deck 87 ft wide.

Who owns Prospect Road over Larimer Co. Canal No. 2?

It is owned by the City or Municipal Highway Agency.