US Bridges

County Road over Dipple Drain Ditch

FairPosted for load

Walsh County, North Dakota · 7 East of Grafton · Structure no. 000000050150080

Built
1968
57 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
29 ft
1 main span
Daily traffic
22
2022 count
Owner
County
County Highway Agency

About this bridge

County Road over Dipple Drain Ditch is a steel stringer/multi-beam or girder carrying County Road over Dipple Drain Ditch in Walsh County, North Dakota. It was built in 1968, so it is 57 years old, older than the North Dakota average of 48.2 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. Its operating status is: posted for load restriction.

It carries about 22 vehicles a day, projected to reach 30 by 2042. The structure is 29 ft (8.8 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road
CrossesDipple Drain Ditch
Location7 East of Grafton
RouteCounty Highway 0
Coordinates48.42655, -97.23726
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating32.1 US tons
Inventory rating19.2 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span26 ft (7.9 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22 (2022)
Projected traffic30 by 2042
Trucks—
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$59,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road over Dipple Drain Ditch built?

It was built in 1968, making it 57 years old in 2025.

What condition is County Road over Dipple Drain Ditch 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 April 2023.

How much traffic does County Road over Dipple Drain Ditch carry?

About 22 vehicles per day (2022 count).

How long is County Road over Dipple Drain Ditch?

The structure is 29 ft (8.8 m) long with a longest span of 26 ft (7.9 m) and a deck 24 ft wide.

Who owns County Road over Dipple Drain Ditch?

It is owned by the County Highway Agency.