US Bridges

County Road 38 over Platte Valley Canal

Fair

Weld County, Colorado · 0.8 MI E of CO RD 31 · Structure no. WEL038.0_031.0B

Built
2005
20 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
212
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 38 over Platte Valley Canal is a steel stringer/multi-beam or girder carrying County Road 38 over Platte Valley Canal in Weld County, Colorado. It was built in 2005, so it is 20 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 212 vehicles a day, roughly 44% of them trucks, projected to reach 301 by 2042. The structure is 30 ft (9.2 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCounty Road 38
CrossesPlatte Valley Canal
Location0.8 MI E of CO RD 31
RouteCounty Highway 0
CountyWeld County
StateColorado
Coordinates40.26109, -104.75598
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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating60.4 US tons
Inventory rating36.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length30 ft (9.2 m)
Longest span28 ft (8.4 m)
Deck width30 ft (9.1 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic212 (2022)
Projected traffic301 by 2042
Trucks44%
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 38 over Platte Valley Canal built?

It was built in 2005, making it 20 years old in 2025.

What condition is County Road 38 over Platte Valley 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 March 2024.

How much traffic does County Road 38 over Platte Valley Canal carry?

About 212 vehicles per day (2022 count), of which roughly 44% are trucks.

How long is County Road 38 over Platte Valley Canal?

The structure is 30 ft (9.2 m) long with a longest span of 28 ft (8.4 m) and a deck 30 ft wide.

Who owns County Road 38 over Platte Valley Canal?

It is owned by the County Highway Agency.