US Bridges

County Highway over North Branch Park River

PoorPosted for load

Cavalier County, North Dakota · 1 North of Milton · Structure no. 000000010144260

Built
1938
87 years old
Condition
Poor
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
47 ft
2 main spans
Daily traffic
24
2018 count
Owner
County
County Highway Agency

About this bridge

County Highway over North Branch Park River is a steel stringer/multi-beam or girder carrying County Highway over North Branch Park River in Cavalier County, North Dakota. It was built in 1938, so it is 87 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 24 vehicles a day, projected to reach 24 by 2038. The structure is 47 ft (14.3 m) long and 22 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCounty Highway
CrossesNorth Branch Park River
Location1 North of Milton
RouteCounty Highway 0
Coordinates48.63745, -98.03645
Functional classRural Local

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
Deck7 GoodSome minor problems.
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 inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating5.4 US tons
Inventory rating3.2 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans2
Design loadUnknown
Structure length47 ft (14.3 m)
Longest span22 ft (6.7 m)
Deck width22 ft (6.8 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (2018)
Projected traffic24 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$237,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over North Branch Park River built?

It was built in 1938, making it 87 years old in 2025.

What condition is County Highway over North 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 August 2024.

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

About 24 vehicles per day (2018 count).

How long is County Highway over North Branch Park River?

The structure is 47 ft (14.3 m) long with a longest span of 22 ft (6.7 m) and a deck 22 ft wide.

Who owns County Highway over North Branch Park River?

It is owned by the County Highway Agency.