US Bridges

Nd Highway 200 over Missouri River

Fair

Oliver County, North Dakota · 1 West of US 83 · Structure no. 0200924623

Built
1971
54 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,500 ft
7 main spans
Daily traffic
1,430
2019 count
Owner
State
State Highway Agency

About this bridge

Nd Highway 200 over Missouri River is a steel continuous stringer/multi-beam or girder carrying Nd Highway 200 over Missouri River in Oliver County, North Dakota. It was built in 1971, so it is 54 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 6 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 1,430 vehicles a day, roughly 15% of them trucks, projected to reach 1,430 by 2039. The structure is 1,500 ft (457.2 m) long and 41 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

Location

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CarriesNd Highway 200
CrossesMissouri River
Location1 West of US 83
RouteState Highway 200
CountyOliver County
StateNorth Dakota
Coordinates47.28858, -101.04242
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating37.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length1,500 ft (457.2 m)
Longest span235 ft (71.6 m)
Deck width41 ft (12.5 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,430 (2019)
Projected traffic1,430 by 2039
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.8 mi (64 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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Nd Highway 200 over Missouri River built?

It was built in 1971, making it 54 years old in 2025.

What condition is Nd Highway 200 over Missouri River 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 August 2024.

How much traffic does Nd Highway 200 over Missouri River carry?

About 1,430 vehicles per day (2019 count), of which roughly 15% are trucks.

How long is Nd Highway 200 over Missouri River?

The structure is 1,500 ft (457.2 m) long with a longest span of 235 ft (71.6 m) and a deck 41 ft wide.

Who owns Nd Highway 200 over Missouri River?

It is owned by the State Highway Agency.