US Bridges

County Road 0520 over Souris River

PoorPosted for load

Bottineau County, North Dakota · 1 South 4 West of Kramer · Structure no. 000000005133230

Built
1960
65 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
158 ft
3 main spans
Daily traffic
170
2018 count
Owner
County
County Highway Agency

About this bridge

County Road 0520 over Souris River is a steel continuous stringer/multi-beam or girder carrying County Road 0520 over Souris River in Bottineau County, North Dakota. It was built in 1960, so it is 65 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 4 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 170 vehicles a day, roughly 15% of them trucks, projected to reach 80 by 2038. The structure is 158 ft (48.2 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road 0520
CrossesSouris River
Location1 South 4 West of Kramer
RouteCounty Highway 520
Coordinates48.67615, -100.79454
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.8 US tons
Inventory rating22.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length158 ft (48.2 m)
Longest span58 ft (17.7 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic170 (2018)
Projected traffic80 by 2038
Trucks15%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$156,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 0520 over Souris River built?

It was built in 1960, making it 65 years old in 2025.

What condition is County Road 0520 over Souris 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 Road 0520 over Souris River carry?

About 170 vehicles per day (2018 count), of which roughly 15% are trucks.

How long is County Road 0520 over Souris River?

The structure is 158 ft (48.2 m) long with a longest span of 58 ft (17.7 m) and a deck 26 ft wide.

Who owns County Road 0520 over Souris River?

It is owned by the County Highway Agency.