US Bridges

Nd Highway over Square Butte Creek

Good

Oliver County, North Dakota · At Center · Structure no. 0025028790

Built
1987
38 years old
Condition
Good
inspected July 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
131 ft
3 main spans
Daily traffic
650
2019 count
Owner
State
State Highway Agency

About this bridge

Nd Highway over Square Butte Creek is a prestressed concrete continuous box beam or girders - single or spread carrying Nd Highway over Square Butte Creek in Oliver County, North Dakota. It was built in 1987, so it is 38 years old, younger 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 650 vehicles a day, roughly 9% of them trucks, projected to reach 1,381 by 2039. The structure is 131 ft (39.9 m) long and 52 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesNd Highway
CrossesSquare Butte Creek
LocationAt Center
RouteState Highway 25
Coordinates47.11123, -101.29962
Functional classRural Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.4 US tons
Inventory rating54.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length131 ft (39.9 m)
Longest span50 ft (15.2 m)
Deck width52 ft (15.7 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic650 (2019)
Projected traffic1,381 by 2039
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Nd Highway over Square Butte Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is Nd Highway over Square Butte 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 July 2024.

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

About 650 vehicles per day (2019 count), of which roughly 9% are trucks.

How long is Nd Highway over Square Butte Creek?

The structure is 131 ft (39.9 m) long with a longest span of 50 ft (15.2 m) and a deck 52 ft wide.

Who owns Nd Highway over Square Butte Creek?

It is owned by the State Highway Agency.