US Bridges

Prospect Ave over South Branch Park River

Fair

Walsh County, North Dakota · City of Park River · Structure no. 000000050127100

Built
1996
29 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
162 ft
2 main spans
Daily traffic
725
2014 count
Owner
County
County Highway Agency

About this bridge

Prospect Ave over South Branch Park River is a prestressed concrete continuous box beam or girders - single or spread carrying Prospect Ave over South Branch Park River in Walsh County, North Dakota. It was built in 1996, so it is 29 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 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 725 vehicles a day, roughly 6% of them trucks, projected to reach 725 by 2034. The structure is 162 ft (49.4 m) long and 43 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesProspect Ave
CrossesSouth Branch Park River
LocationCity of Park River
RouteCity Street 5012
Coordinates48.40239, -97.74251
Functional classRural Major Collector

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating36.2 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length162 ft (49.4 m)
Longest span77 ft (23.5 m)
Deck width43 ft (13.2 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic725 (2014)
Projected traffic725 by 2034
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 Prospect Ave over South Branch Park River built?

It was built in 1996, making it 29 years old in 2025.

What condition is Prospect Ave over South Branch Park River 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 July 2024.

How much traffic does Prospect Ave over South Branch Park River carry?

About 725 vehicles per day (2014 count), of which roughly 6% are trucks.

How long is Prospect Ave over South Branch Park River?

The structure is 162 ft (49.4 m) long with a longest span of 77 ft (23.5 m) and a deck 43 ft wide.

Who owns Prospect Ave over South Branch Park River?

It is owned by the County Highway Agency.