US Bridges

Nd Highway 59 over I-29/PEMBINA Interchange

Fair

Pembina County, North Dakota · JCT Nd Highway 59 · Structure no. 0029215237

Built
1959
66 years old, rebuilt 1989
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
244 ft
4 main spans
Daily traffic
1,330
2019 count
Owner
State
State Highway Agency

About this bridge

Nd Highway 59 over I-29/PEMBINA Interchange is a prestressed concrete continuous stringer/multi-beam or girder carrying Nd Highway 59 over I-29/PEMBINA Interchange in Pembina County, North Dakota. It was built in 1959 and reconstructed in 1989, so it is 66 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.

It carries about 1,330 vehicles a day, roughly 26% of them trucks, projected to reach 1,330 by 2039. The structure is 244 ft (74.4 m) long and 47 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesNd Highway 59
CrossesI-29/PEMBINA Interchange
LocationJCT Nd Highway 59
RouteState Highway 59
CountyPembina County
StateNorth Dakota
Coordinates48.97077, -97.25752
Functional classRural Minor Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating83.3 US tons
Inventory rating43.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length244 ft (74.4 m)
Longest span58 ft (17.7 m)
Deck width47 ft (14.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,330 (2019)
Projected traffic1,330 by 2039
Trucks26%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nd Highway 59 over I-29/PEMBINA Interchange built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1989.

What condition is Nd Highway 59 over I-29/PEMBINA Interchange 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 November 2023.

How much traffic does Nd Highway 59 over I-29/PEMBINA Interchange carry?

About 1,330 vehicles per day (2019 count), of which roughly 26% are trucks.

How long is Nd Highway 59 over I-29/PEMBINA Interchange?

The structure is 244 ft (74.4 m) long with a longest span of 58 ft (17.7 m) and a deck 47 ft wide.

Who owns Nd Highway 59 over I-29/PEMBINA Interchange?

It is owned by the State Highway Agency.