US Bridges

CO Why 4/CMC 3429 over Willow Creek

Good

Pembina County, North Dakota · 5 West 1 South of Drayton · Structure no. 000000034130321

Built
2024
1 years old
Condition
Good
inspected August 2024
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
54 ft
2 main spans
Daily traffic
70
2021 count
Owner
County
County Highway Agency

About this bridge

CO Why 4/CMC 3429 over Willow Creek is a aluminum, wrought iron, or cast iron culvert carrying CO Why 4/CMC 3429 over Willow Creek in Pembina County, North Dakota. It was built in 2024, so it is 1 years old, younger than the North Dakota average of 48.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 70 vehicles a day, roughly 10% of them trucks, projected to reach 104 by 2041. The structure is 54 ft (16.5 m) long. If it were closed, the detour would be 8.7 mi (14 km).

CarriesCO Why 4/CMC 3429
CrossesWillow Creek
Location5 West 1 South of Drayton
RouteCounty Highway 3429
Coordinates48.55708, -97.29984
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.1 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans2
Design loadHL 93
Structure length54 ft (16.5 m)
Longest span24 ft (7.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic70 (2021)
Projected traffic104 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Why 4/CMC 3429 over Willow Creek built?

It was built in 2024, making it 1 years old in 2025.

What condition is CO Why 4/CMC 3429 over Willow Creek 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 August 2024.

How much traffic does CO Why 4/CMC 3429 over Willow Creek carry?

About 70 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is CO Why 4/CMC 3429 over Willow Creek?

The structure is 54 ft (16.5 m) long with a longest span of 24 ft (7.3 m).

Who owns CO Why 4/CMC 3429 over Willow Creek?

It is owned by the County Highway Agency.