US Bridges

Interstate 29 over Park River

Good

Walsh County, North Dakota · 3 North Nd 17 · Structure no. 0029179147 R

Built
1973
52 years old, rebuilt 1986
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
395 ft
5 main spans
Daily traffic
2,050
2019 count
Owner
State
State Highway Agency

About this bridge

Interstate 29 over Park River is a steel stringer/multi-beam or girder carrying Interstate 29 over Park River in Walsh County, North Dakota. It was built in 1973 and reconstructed in 1986, so it is 52 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 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 2,050 vehicles a day, roughly 32% of them trucks, projected to reach 2,050 by 2039. The structure is 395 ft (120.4 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 29
CrossesPark River
Location3 North Nd 17
RouteInterstate 29
Coordinates48.45999, -97.19178
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.
Superstructure7 GoodSome minor problems.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.9 US tons
Inventory rating32.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length395 ft (120.4 m)
Longest span84 ft (25.6 m)
Deck width54 ft (16.4 m)
Roadway width49 ft (14.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,050 (2019)
Projected traffic2,050 by 2039
Trucks32%
Lanes on structure3
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 Park River built?

It was built in 1973, making it 52 years old in 2025. It was reconstructed in 1986.

What condition is Interstate 29 over Park River 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 Park River carry?

About 2,050 vehicles per day (2019 count), of which roughly 32% are trucks.

How long is Interstate 29 over Park River?

The structure is 395 ft (120.4 m) long with a longest span of 84 ft (25.6 m) and a deck 54 ft wide.

Who owns Interstate 29 over Park River?

It is owned by the State Highway Agency.