US Bridges

Wilson Avenue over Big Barnes Ditch

Good

Larimer County, Colorado · 0.8 MI N of West First ST · Structure no. LOV990NWILAVE

Built
2001
24 years old
Condition
Good
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
6,213
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Wilson Avenue over Big Barnes Ditch is a prestressed concrete box beam or girders - multiple carrying Wilson Avenue over Big Barnes Ditch in Larimer County, Colorado. It was built in 2001, so it is 24 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 6,213 vehicles a day, roughly 19% of them trucks, projected to reach 7,766 by 2043. The structure is 46 ft (14.1 m) long and 90 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWilson Avenue
CrossesBig Barnes Ditch
Location0.8 MI N of West First ST
RouteCity Street 0
Coordinates40.40228, -105.11072
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating110.1 US tons
Inventory rating56.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length46 ft (14.1 m)
Longest span41 ft (12.6 m)
Deck width90 ft (27.4 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,213 (2023)
Projected traffic7,766 by 2043
Trucks19%
Lanes on structure4
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Wilson Avenue over Big Barnes Ditch built?

It was built in 2001, making it 24 years old in 2025.

What condition is Wilson Avenue over Big Barnes Ditch 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 March 2023.

How much traffic does Wilson Avenue over Big Barnes Ditch carry?

About 6,213 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is Wilson Avenue over Big Barnes Ditch?

The structure is 46 ft (14.1 m) long with a longest span of 41 ft (12.6 m) and a deck 90 ft wide.

Who owns Wilson Avenue over Big Barnes Ditch?

It is owned by the City or Municipal Highway Agency.