US Bridges

County Highway over Middle Branch Park River

PoorPosted for load

Walsh County, North Dakota · 7 West 3 North of Grafton · Structure no. 000000050135050

Built
1957
68 years old, rebuilt 2008
Condition
Poor
inspected September 2024
Type
Channel Beam
Concrete
Length
36 ft
1 main span
Daily traffic
266
2022 count
Owner
County
County Highway Agency

About this bridge

County Highway over Middle Branch Park River is a concrete channel beam carrying County Highway over Middle Branch Park River in Walsh County, North Dakota. It was built in 1957 and reconstructed in 2008, so it is 68 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 poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 266 vehicles a day, roughly 11% of them trucks, projected to reach 359 by 2042. The structure is 36 ft (11 m) long and 32 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCounty Highway
CrossesMiddle Branch Park River
Location7 West 3 North of Grafton
RouteCounty Highway 5006
Coordinates48.47065, -97.57526
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.1 US tons
Inventory rating22.2 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length36 ft (11 m)
Longest span34 ft (10.4 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic266 (2022)
Projected traffic359 by 2042
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Middle Branch Park River built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2008.

What condition is County Highway over Middle Branch Park River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

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

About 266 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is County Highway over Middle Branch Park River?

The structure is 36 ft (11 m) long with a longest span of 34 ft (10.4 m) and a deck 32 ft wide.

Who owns County Highway over Middle Branch Park River?

It is owned by the County Highway Agency.