US Bridges

County Highway over South Branch Park River

Good

Walsh County, North Dakota · 5 West of Grafton · Structure no. 000000050136081

Built
1988
37 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
94 ft
3 main spans
Daily traffic
145
2017 count
Owner
County
County Highway Agency

About this bridge

County Highway over South Branch Park River is a prestressed concrete continuous box beam or girders - single or spread carrying County Highway over South Branch Park River in Walsh County, North Dakota. It was built in 1988, so it is 37 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 145 vehicles a day, roughly 12% of them trucks, projected to reach 100 by 2037. The structure is 94 ft (28.7 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Highway
CrossesSouth Branch Park River
Location5 West of Grafton
RouteCounty Highway 5035
Coordinates48.42969, -97.53565
Functional classRural Major Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating32.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length94 ft (28.7 m)
Longest span35 ft (10.7 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic145 (2017)
Projected traffic100 by 2037
Trucks12%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over South Branch Park River built?

It was built in 1988, making it 37 years old in 2025.

What condition is County Highway over South Branch 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 September 2024.

How much traffic does County Highway over South Branch Park River carry?

About 145 vehicles per day (2017 count), of which roughly 12% are trucks.

How long is County Highway over South Branch Park River?

The structure is 94 ft (28.7 m) long with a longest span of 35 ft (10.7 m) and a deck 31 ft wide.

Who owns County Highway over South Branch Park River?

It is owned by the County Highway Agency.