US Bridges

Oak Street over Larimer Co. Canal No. 2

Fair

Larimer County, Colorado · 20 Ft W of Bryan Avenue · Structure no. FCOAK-0.1-BRYN

Built
1987
38 years old
Condition
Fair
inspected April 2023
Type
Slab
Prestressed Concrete
Length
25 ft
1 main span
Daily traffic
522
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Oak Street over Larimer Co. Canal No. 2 is a prestressed concrete slab carrying Oak Street over Larimer Co. Canal No. 2 in Larimer County, Colorado. It was built in 1987, so it is 38 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 522 vehicles a day, roughly 2% of them trucks, projected to reach 653 by 2043. The structure is 25 ft (7.7 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOak Street
CrossesLarimer Co. Canal No. 2
Location20 Ft W of Bryan Avenue
RouteCity Street 0
Coordinates40.5857, -105.10585
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
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 rating54.9 US tons
Inventory rating42.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length25 ft (7.7 m)
Longest span20 ft (6.2 m)
Deck width47 ft (14.3 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic522 (2023)
Projected traffic653 by 2043
Trucks2%
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 Oak Street over Larimer Co. Canal No. 2 built?

It was built in 1987, making it 38 years old in 2025.

What condition is Oak Street 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 Oak Street over Larimer Co. Canal No. 2 carry?

About 522 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Oak Street over Larimer Co. Canal No. 2?

The structure is 25 ft (7.7 m) long with a longest span of 20 ft (6.2 m) and a deck 47 ft wide.

Who owns Oak Street over Larimer Co. Canal No. 2?

It is owned by the City or Municipal Highway Agency.