US Bridges

West Swallow RD over Larimer Co. Canal No. 2

Fair

Larimer County, Colorado · 50 Ft W of Mcclelland DR · Structure no. FCSWLW-0.1-RGNK

Built
1982
43 years old
Condition
Fair
inspected April 2023
Type
Tee Beam
Prestressed Concrete
Length
22 ft
1 main span
Daily traffic
4,588
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

West Swallow RD over Larimer Co. Canal No. 2 is a prestressed concrete tee beam carrying West Swallow RD over Larimer Co. Canal No. 2 in Larimer County, Colorado. It was built in 1982, so it is 43 years old, older 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 4,588 vehicles a day, roughly 7% of them trucks, projected to reach 5,735 by 2043. The structure is 22 ft (6.7 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesWest Swallow RD
CrossesLarimer Co. Canal No. 2
Location50 Ft W of Mcclelland DR
RouteCity Street 0
CountyLarimer County
StateColorado
Coordinates40.54558, -105.08017
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width60 ft (18.4 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,588 (2023)
Projected traffic5,735 by 2043
Trucks7%
Lanes on structure3
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 West Swallow RD over Larimer Co. Canal No. 2 built?

It was built in 1982, making it 43 years old in 2025.

What condition is West Swallow RD 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 West Swallow RD over Larimer Co. Canal No. 2 carry?

About 4,588 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is West Swallow RD over Larimer Co. Canal No. 2?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 60 ft wide.

Who owns West Swallow RD over Larimer Co. Canal No. 2?

It is owned by the City or Municipal Highway Agency.