US Bridges

County Highway over Drain Ditch

PoorPosted for load

Pembina County, North Dakota · 6 East 4 South of ST Thom · Structure no. 000000034129310

Built
1980
45 years old
Condition
Poor
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
65 ft
3 main spans
Daily traffic
10
2014 count
Owner
County
County Highway Agency

About this bridge

County Highway over Drain Ditch is a steel stringer/multi-beam or girder carrying County Highway over Drain Ditch in Pembina County, North Dakota. It was built in 1980, so it is 45 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 10 vehicles a day, projected to reach 10 by 2034. The structure is 65 ft (19.7 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Highway
CrossesDrain Ditch
Location6 East 4 South of ST Thom
RouteCounty Highway 0
Coordinates48.55712, -97.32162
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating3.7 US tons
Inventory rating2.2 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans3
Design loadUnknown
Structure length65 ft (19.7 m)
Longest span39 ft (11.8 m)
Deck width29 ft (8.7 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2014)
Projected traffic10 by 2034
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$71,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Drain Ditch built?

It was built in 1980, making it 45 years old in 2025.

What condition is County Highway over Drain Ditch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2023.

How much traffic does County Highway over Drain Ditch carry?

About 10 vehicles per day (2014 count).

How long is County Highway over Drain Ditch?

The structure is 65 ft (19.7 m) long with a longest span of 39 ft (11.8 m) and a deck 29 ft wide.

Who owns County Highway over Drain Ditch?

It is owned by the County Highway Agency.