US Bridges

County Road 76 over Larimer and Weld Canal

Fair

Weld County, Colorado · 1.2 MI E of CO RD 23 · Structure no. WEL076.0-025.0A

Built
1989
36 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
39 ft
1 main span
Daily traffic
279
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 76 over Larimer and Weld Canal is a steel stringer/multi-beam or girder carrying County Road 76 over Larimer and Weld Canal in Weld County, Colorado. It was built in 1989, so it is 36 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 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 279 vehicles a day, roughly 31% of them trucks, projected to reach 396 by 2043. The structure is 39 ft (12 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCounty Road 76
CrossesLarimer and Weld Canal
Location1.2 MI E of CO RD 23
RouteCounty Highway 0
CountyWeld County
StateColorado
Coordinates40.53804, -104.82811
Functional classRural 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating34.7 US tons
Inventory rating20.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length39 ft (12 m)
Longest span37 ft (11.2 m)
Deck width31 ft (9.5 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic279 (2023)
Projected traffic396 by 2043
Trucks31%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 County Road 76 over Larimer and Weld Canal built?

It was built in 1989, making it 36 years old in 2025.

What condition is County Road 76 over Larimer and Weld Canal 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 2024.

How much traffic does County Road 76 over Larimer and Weld Canal carry?

About 279 vehicles per day (2023 count), of which roughly 31% are trucks.

How long is County Road 76 over Larimer and Weld Canal?

The structure is 39 ft (12 m) long with a longest span of 37 ft (11.2 m) and a deck 31 ft wide.

Who owns County Road 76 over Larimer and Weld Canal?

It is owned by the County Highway Agency.