US Bridges

County Road 0506 over Boundary Creek

Good

Bottineau County, North Dakota · 3 West of Souris · Structure no. 000000005135070

Built
1961
64 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
45 ft
1 main span
Daily traffic
390
2018 count
Owner
County
County Highway Agency

About this bridge

County Road 0506 over Boundary Creek is a prestressed concrete box beam or girders - multiple carrying County Road 0506 over Boundary Creek in Bottineau County, North Dakota. It was built in 1961, so it is 64 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 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 390 vehicles a day, roughly 13% of them trucks, projected to reach 390 by 2038. The structure is 45 ft (13.7 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesCounty Road 0506
CrossesBoundary Creek
Location3 West of Souris
RouteCounty Highway 506
CountyBottineau County
StateNorth Dakota
Coordinates48.90818, -100.73662
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.7 US tons
Inventory rating29 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadH 15
Structure length45 ft (13.7 m)
Longest span43 ft (13.1 m)
Deck width35 ft (10.8 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic390 (2018)
Projected traffic390 by 2038
Trucks13%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 0506 over Boundary Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is County Road 0506 over Boundary Creek 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 Road 0506 over Boundary Creek carry?

About 390 vehicles per day (2018 count), of which roughly 13% are trucks.

How long is County Road 0506 over Boundary Creek?

The structure is 45 ft (13.7 m) long with a longest span of 43 ft (13.1 m) and a deck 35 ft wide.

Who owns County Road 0506 over Boundary Creek?

It is owned by the County Highway Agency.