US Bridges

CO RD 29 over Platte Valley Canal

Good

Weld County, Colorado · 0.5 MI N of CO RD 34 · Structure no. WEL029.0_034.0A

Built
2014
11 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
328
2022 count
Owner
County
County Highway Agency

About this bridge

CO RD 29 over Platte Valley Canal is a steel stringer/multi-beam or girder carrying CO RD 29 over Platte Valley Canal in Weld County, Colorado. It was built in 2014, so it is 11 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 328 vehicles a day, roughly 45% of them trucks, projected to reach 465 by 2042. The structure is 40 ft (12.1 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCO RD 29
CrossesPlatte Valley Canal
Location0.5 MI N of CO RD 34
RouteCounty Highway 0
Coordinates40.24029, -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 protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.5 US tons
Inventory rating39.2 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length40 ft (12.1 m)
Longest span37 ft (11.3 m)
Deck width32 ft (9.7 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic328 (2022)
Projected traffic465 by 2042
Trucks45%
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 CO RD 29 over Platte Valley Canal built?

It was built in 2014, making it 11 years old in 2025.

What condition is CO RD 29 over Platte Valley 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 June 2024.

How much traffic does CO RD 29 over Platte Valley Canal carry?

About 328 vehicles per day (2022 count), of which roughly 45% are trucks.

How long is CO RD 29 over Platte Valley Canal?

The structure is 40 ft (12.1 m) long with a longest span of 37 ft (11.3 m) and a deck 32 ft wide.

Who owns CO RD 29 over Platte Valley Canal?

It is owned by the County Highway Agency.