US Bridges

Bismarck Expwy over Mckenzie Drive

Good

Morton County, North Dakota · Mckenzie Drive Int. · Structure no. 0810000493 R

Built
1984
41 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
172 ft
3 main spans
Daily traffic
6,500
2019 count
Owner
State
State Highway Agency

About this bridge

Bismarck Expwy over Mckenzie Drive is a prestressed concrete continuous box beam or girders - single or spread carrying Bismarck Expwy over Mckenzie Drive in Morton County, North Dakota. It was built in 1984, so it is 41 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 6,500 vehicles a day, roughly 3% of them trucks, projected to reach 4,670 by 2039. The structure is 172 ft (52.4 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesBismarck Expwy
CrossesMckenzie Drive
LocationMckenzie Drive Int.
RouteState Highway 810
CountyMorton County
StateNorth Dakota
Coordinates46.80084, -100.82636
Functional classUrban Other Principal 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.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.3 US tons
Inventory rating51.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length172 ft (52.4 m)
Longest span65 ft (19.8 m)
Deck width39 ft (12 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,500 (2019)
Projected traffic4,670 by 2039
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Bismarck Expwy over Mckenzie Drive built?

It was built in 1984, making it 41 years old in 2025.

What condition is Bismarck Expwy over Mckenzie Drive 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 October 2024.

How much traffic does Bismarck Expwy over Mckenzie Drive carry?

About 6,500 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is Bismarck Expwy over Mckenzie Drive?

The structure is 172 ft (52.4 m) long with a longest span of 65 ft (19.8 m) and a deck 39 ft wide.

Who owns Bismarck Expwy over Mckenzie Drive?

It is owned by the State Highway Agency.