US Bridges

County Road 29 over Pierce Lateral Canal

Good

Weld County, Colorado · 0.3 MI N of CO RD 88 · Structure no. WEL029.0-088.0A

Built
1990
35 years old, rebuilt 2020
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
22 ft
1 main span
Daily traffic
1,615
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 29 over Pierce Lateral Canal is a steel stringer/multi-beam or girder carrying County Road 29 over Pierce Lateral Canal in Weld County, Colorado. It was built in 1990 and reconstructed in 2020, so it is 35 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 1,615 vehicles a day, roughly 29% of them trucks, projected to reach 2,294 by 2042. The structure is 22 ft (6.6 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCounty Road 29
CrossesPierce Lateral Canal
Location0.3 MI N of CO RD 88
RouteCounty Highway 0
CountyWeld County
StateColorado
Coordinates40.62916, -104.79202
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
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 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 rating52.6 US tons
Inventory rating31.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length22 ft (6.6 m)
Longest span20 ft (6.2 m)
Deck width35 ft (10.8 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,615 (2023)
Projected traffic2,294 by 2042
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 29 over Pierce Lateral Canal built?

It was built in 1990, making it 35 years old in 2025. It was reconstructed in 2020.

What condition is County Road 29 over Pierce Lateral Canal 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 February 2024.

How much traffic does County Road 29 over Pierce Lateral Canal carry?

About 1,615 vehicles per day (2023 count), of which roughly 29% are trucks.

How long is County Road 29 over Pierce Lateral Canal?

The structure is 22 ft (6.6 m) long with a longest span of 20 ft (6.2 m) and a deck 35 ft wide.

Who owns County Road 29 over Pierce Lateral Canal?

It is owned by the County Highway Agency.