US Bridges

County Road 37 over Collins Lateral Canal

Fair

Weld County, Colorado · 0.8 MI N of CO RD 86 · Structure no. WEL037.0_086.0A

Built
1998
27 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
28 ft
1 main span
Daily traffic
26
2021 count
Owner
County
County Highway Agency

About this bridge

County Road 37 over Collins Lateral Canal is a steel stringer/multi-beam or girder carrying County Road 37 over Collins Lateral Canal in Weld County, Colorado. It was built in 1998, so it is 27 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 26 vehicles a day, roughly 29% of them trucks, projected to reach 36 by 2041. The structure is 28 ft (8.5 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCounty Road 37
CrossesCollins Lateral Canal
Location0.8 MI N of CO RD 86
RouteCounty Highway 0
CountyWeld County
StateColorado
Coordinates40.622, -104.716
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
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 rating57.9 US tons
Inventory rating34.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span24 ft (7.4 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2021)
Projected traffic36 by 2041
Trucks29%
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 37 over Collins Lateral Canal built?

It was built in 1998, making it 27 years old in 2025.

What condition is County Road 37 over Collins Lateral 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 February 2024.

How much traffic does County Road 37 over Collins Lateral Canal carry?

About 26 vehicles per day (2021 count), of which roughly 29% are trucks.

How long is County Road 37 over Collins Lateral Canal?

The structure is 28 ft (8.5 m) long with a longest span of 24 ft (7.4 m) and a deck 32 ft wide.

Who owns County Road 37 over Collins Lateral Canal?

It is owned by the County Highway Agency.