US Bridges

County Highway over Square Butte Creek

Fair

Oliver County, North Dakota · 8 West 3 South of Price · Structure no. 000000033132180

Built
1960
65 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
110
2018 count
Owner
County
County Highway Agency

About this bridge

County Highway over Square Butte Creek is a prestressed concrete box beam or girders - multiple carrying County Highway over Square Butte Creek in Oliver 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 110 vehicles a day, roughly 12% of them trucks, projected to reach 110 by 2038. The structure is 36 ft (11 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCounty Highway
CrossesSquare Butte Creek
Location8 West 3 South of Price
RouteCounty Highway 0
Coordinates47.04789, -101.10533
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadUnknown
Structure length36 ft (11 m)
Longest span34 ft (10.4 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2018)
Projected traffic110 by 2038
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Square Butte Creek built?

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

What condition is County Highway over Square Butte Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.

How much traffic does County Highway over Square Butte Creek carry?

About 110 vehicles per day (2018 count), of which roughly 12% are trucks.

How long is County Highway over Square Butte Creek?

The structure is 36 ft (11 m) long with a longest span of 34 ft (10.4 m) and a deck 31 ft wide.

Who owns County Highway over Square Butte Creek?

It is owned by the County Highway Agency.