US Bridges

Interstate 29 over Drainage Ditch

Good

Pembina County, North Dakota · 8 South of Nd 5 · Structure no. 0029195513 R

Built
2004
21 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
1,475
2019 count
Owner
State
State Highway Agency

About this bridge

Interstate 29 over Drainage Ditch is a prestressed concrete box beam or girders - single or spread carrying Interstate 29 over Drainage Ditch in Pembina County, North Dakota. It was built in 2004, so it is 21 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,475 vehicles a day, roughly 41% of them trucks, projected to reach 5,875 by 2039. The structure is 70 ft (21.3 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 29
CrossesDrainage Ditch
Location8 South of Nd 5
RouteInterstate 29
Coordinates48.69477, -97.19006
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.4 US tons
Inventory rating45.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length70 ft (21.3 m)
Longest span66 ft (20.1 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,475 (2019)
Projected traffic5,875 by 2039
Trucks41%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Interstate 29 over Drainage Ditch built?

It was built in 2004, making it 21 years old in 2025.

What condition is Interstate 29 over Drainage Ditch 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 2023.

How much traffic does Interstate 29 over Drainage Ditch carry?

About 1,475 vehicles per day (2019 count), of which roughly 41% are trucks.

How long is Interstate 29 over Drainage Ditch?

The structure is 70 ft (21.3 m) long with a longest span of 66 ft (20.1 m) and a deck 43 ft wide.

Who owns Interstate 29 over Drainage Ditch?

It is owned by the State Highway Agency.