US Bridges

County Trail over Harriet Drain Ditch

FairPosted for load

Walsh County, North Dakota · 7 South of Grafton · Structure no. 000000050144160

Built
1967
58 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
35 ft
1 main span
Daily traffic
10
2017 count
Owner
County
County Highway Agency

About this bridge

County Trail over Harriet Drain Ditch is a steel stringer/multi-beam or girder carrying County Trail over Harriet Drain Ditch in Walsh County, North Dakota. It was built in 1967, so it is 58 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 5 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 10 vehicles a day, projected to reach 10 by 2037. The structure is 35 ft (10.7 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Trail
CrossesHarriet Drain Ditch
Location7 South of Grafton
RouteCounty Highway 0
Coordinates48.3106, -97.37573
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating31.5 US tons
Inventory rating18.8 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span33 ft (10.1 m)
Deck width23 ft (7.1 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2017)
Projected traffic10 by 2037
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Trail over Harriet Drain Ditch built?

It was built in 1967, making it 58 years old in 2025.

What condition is County Trail over Harriet 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 October 2024.

How much traffic does County Trail over Harriet Drain Ditch carry?

About 10 vehicles per day (2017 count).

How long is County Trail over Harriet Drain Ditch?

The structure is 35 ft (10.7 m) long with a longest span of 33 ft (10.1 m) and a deck 23 ft wide.

Who owns County Trail over Harriet Drain Ditch?

It is owned by the County Highway Agency.