US Bridges

County Highway over South Branch Park River

PoorClosed to traffic

Cavalier County, North Dakota · 1 East 6 South Osnabrock · Structure no. 000000010140310

Built
1938
87 years old, rebuilt 1984
Condition
Poor
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
2 main spans
Daily traffic
25
2018 count
Owner
County
County Highway Agency

About this bridge

County Highway over South Branch Park River is a steel stringer/multi-beam or girder carrying County Highway over South Branch Park River in Cavalier County, North Dakota. It was built in 1938 and reconstructed in 1984, 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: closed to all traffic.

It carries about 25 vehicles a day, projected to reach 25 by 2038. The structure is 40 ft (12.2 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCounty Highway
CrossesSouth Branch Park River
Location1 East 6 South Osnabrock
RouteCounty Highway 0
Coordinates48.57067, -98.12572
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, 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 2023
Inspection interval—
Operating statusClosed to all traffic
ScourUnknown foundation; not evaluated for scour
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating10 US tons
Inventory rating9.9 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans2
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span18 ft (5.5 m)
Deck width20 ft (6.1 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2018)
Projected traffic25 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$98,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over South Branch Park River built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1984.

What condition is County Highway over South 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 2023.

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

About 25 vehicles per day (2018 count).

How long is County Highway over South Branch Park River?

The structure is 40 ft (12.2 m) long with a longest span of 18 ft (5.5 m) and a deck 20 ft wide.

Who owns County Highway over South Branch Park River?

It is owned by the County Highway Agency.