US Bridges

236th ST SE over Mckenzie Slough

Good

Burleigh County, North Dakota · 2 South of Mcklenzie · Structure no. 000000008126370

Built
2001
24 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
55
2018 count
Owner
County
County Highway Agency

About this bridge

236th ST SE over Mckenzie Slough is a concrete culvert carrying 236th ST SE over Mckenzie Slough in Burleigh County, North Dakota. It was built in 2001, so it is 24 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 55 vehicles a day, projected to reach 55 by 2038. The structure is 24 ft (7.3 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries236th ST SE
CrossesMckenzie Slough
Location2 South of Mcklenzie
RouteCounty Highway 827
Coordinates46.79439, -100.41573
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length24 ft (7.3 m)
Longest span12 ft (3.7 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55 (2018)
Projected traffic55 by 2038
Trucks—
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 236th ST SE over Mckenzie Slough built?

It was built in 2001, making it 24 years old in 2025.

What condition is 236th ST SE over Mckenzie Slough 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 November 2024.

How much traffic does 236th ST SE over Mckenzie Slough carry?

About 55 vehicles per day (2018 count).

How long is 236th ST SE over Mckenzie Slough?

The structure is 24 ft (7.3 m) long with a longest span of 12 ft (3.7 m) and a deck 32 ft wide.

Who owns 236th ST SE over Mckenzie Slough?

It is owned by the County Highway Agency.