US Bridges

County Highway over I 94-TAPPEN Interchange

Fair

Kidder County, North Dakota · 5 East of Nd 3 South · Structure no. 0094214126

Built
1958
67 years old, rebuilt 2014
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
224 ft
4 main spans
Daily traffic
250
2020 count
Owner
State
State Highway Agency

About this bridge

County Highway over I 94-TAPPEN Interchange is a prestressed concrete continuous stringer/multi-beam or girder carrying County Highway over I 94-TAPPEN Interchange in Kidder County, North Dakota. It was built in 1958 and reconstructed in 2014, so it is 67 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 250 vehicles a day, roughly 14% of them trucks, projected to reach 250 by 2040. The structure is 224 ft (68.3 m) long and 29 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesCounty Highway
CrossesI 94-TAPPEN Interchange
Location5 East of Nd 3 South
RouteCounty Highway 2223
CountyKidder County
StateNorth Dakota
Coordinates46.88082, -99.63734
Functional classRural Major Collector

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 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 alignment6: Equal to present minimum criteria
Operating rating72.8 US tons
Inventory rating31.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length224 ft (68.3 m)
Longest span59 ft (18 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2020)
Projected traffic250 by 2040
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed6.2 mi (10 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was County Highway over I 94-TAPPEN Interchange built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2014.

What condition is County Highway over I 94-TAPPEN Interchange 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 November 2024.

How much traffic does County Highway over I 94-TAPPEN Interchange carry?

About 250 vehicles per day (2020 count), of which roughly 14% are trucks.

How long is County Highway over I 94-TAPPEN Interchange?

The structure is 224 ft (68.3 m) long with a longest span of 59 ft (18 m) and a deck 29 ft wide.

Who owns County Highway over I 94-TAPPEN Interchange?

It is owned by the State Highway Agency.