US Bridges

Nd Highway 8 over I-94/MOTT-RICHARDTON Int

Fair

Stark County, North Dakota · Jct. I-94 & Nd 8 · Structure no. 0094084885

Built
1962
63 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
235 ft
4 main spans
Daily traffic
1,300
2019 count
Owner
State
State Highway Agency

About this bridge

Nd Highway 8 over I-94/MOTT-RICHARDTON Int is a steel continuous stringer/multi-beam or girder carrying Nd Highway 8 over I-94/MOTT-RICHARDTON Int in Stark County, North Dakota. It was built in 1962, so it is 63 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 1,300 vehicles a day, roughly 10% of them trucks, projected to reach 1,230 by 2039. The structure is 235 ft (71.6 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesNd Highway 8
CrossesI-94/MOTT-RICHARDTON Int
LocationJct. I-94 & Nd 8
RouteState Highway 8
CountyStark County
StateNorth Dakota
Coordinates46.87159, -102.30733
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating63.9 US tons
Inventory rating38.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length235 ft (71.6 m)
Longest span70 ft (21.3 m)
Deck width36 ft (10.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2019)
Projected traffic1,230 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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 Nd Highway 8 over I-94/MOTT-RICHARDTON Int built?

It was built in 1962, making it 63 years old in 2025.

What condition is Nd Highway 8 over I-94/MOTT-RICHARDTON Int 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 May 2024.

How much traffic does Nd Highway 8 over I-94/MOTT-RICHARDTON Int carry?

About 1,300 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is Nd Highway 8 over I-94/MOTT-RICHARDTON Int?

The structure is 235 ft (71.6 m) long with a longest span of 70 ft (21.3 m) and a deck 36 ft wide.

Who owns Nd Highway 8 over I-94/MOTT-RICHARDTON Int?

It is owned by the State Highway Agency.