US Bridges

West 8th Street over Big Barnes Ditch

Good

Larimer County, Colorado · 0.3 MI W of Taft Avenue · Structure no. LOV1825W8THST-A

Built
2020
5 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
62 ft
1 main span
Daily traffic
3,983
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

West 8th Street over Big Barnes Ditch is a prestressed concrete box beam or girders - single or spread carrying West 8th Street over Big Barnes Ditch in Larimer County, Colorado. It was built in 2020, so it is 5 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 3,983 vehicles a day, roughly 9% of them trucks, projected to reach 4,979 by 2042. The structure is 62 ft (18.9 m) long and 49 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWest 8th Street
CrossesBig Barnes Ditch
Location0.3 MI W of Taft Avenue
RouteCity Street 0
Coordinates40.40094, -105.10259
Functional classUrban Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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 rating62.2 US tons
Inventory rating47.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length62 ft (18.9 m)
Longest span56 ft (17.2 m)
Deck width49 ft (14.9 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,983 (2023)
Projected traffic4,979 by 2042
Trucks9%
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 West 8th Street over Big Barnes Ditch built?

It was built in 2020, making it 5 years old in 2025.

What condition is West 8th Street 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 June 2023.

How much traffic does West 8th Street over Big Barnes Ditch carry?

About 3,983 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is West 8th Street over Big Barnes Ditch?

The structure is 62 ft (18.9 m) long with a longest span of 56 ft (17.2 m) and a deck 49 ft wide.

Who owns West 8th Street over Big Barnes Ditch?

It is owned by the City or Municipal Highway Agency.