US Bridges

Mulberry Street over Larimer Co. Canal No. 2

Fair

Larimer County, Colorado · 50 Ft E of Bryan Avenue · Structure no. FCMULB-0.0-BRYN

Built
1920
105 years old, rebuilt 2003
Condition
Fair
inspected April 2023
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
12,947
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mulberry Street over Larimer Co. Canal No. 2 is a concrete slab carrying Mulberry Street over Larimer Co. Canal No. 2 in Larimer County, Colorado. It was built in 1920 and reconstructed in 2003, so it is 105 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 5 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 12,947 vehicles a day, roughly 10% of them trucks, projected to reach 16,184 by 2043. The structure is 23 ft (6.9 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMulberry Street
CrossesLarimer Co. Canal No. 2
Location50 Ft E of Bryan Avenue
RouteCity Street 0
Coordinates40.58172, -105.106
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to 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 typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length23 ft (6.9 m)
Longest span20 ft (6.1 m)
Deck width54 ft (16.6 m)
Roadway width50 ft (15.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,947 (2023)
Projected traffic16,184 by 2043
Trucks10%
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 Mulberry Street over Larimer Co. Canal No. 2 built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 2003.

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

About 12,947 vehicles per day (2023 count), of which roughly 10% are trucks.

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

The structure is 23 ft (6.9 m) long with a longest span of 20 ft (6.1 m) and a deck 54 ft wide.

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

It is owned by the City or Municipal Highway Agency.