US Bridges

Nd Highway 46 over I-29/KINDRED Interchange

Fair

Richland County, North Dakota · Junction Nd 46 & I-29 · Structure no. 0029048182

Built
1972
53 years old, rebuilt 1998
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
235 ft
2 main spans
Daily traffic
900
2019 count
Owner
State
State Highway Agency

About this bridge

Nd Highway 46 over I-29/KINDRED Interchange is a steel continuous stringer/multi-beam or girder carrying Nd Highway 46 over I-29/KINDRED Interchange in Richland County, North Dakota. It was built in 1972 and reconstructed in 1998, so it is 53 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 900 vehicles a day, roughly 22% of them trucks, projected to reach 1,250 by 2039. The structure is 235 ft (71.6 m) long and 43 ft wide.

Location

Open in Google Maps
CarriesNd Highway 46
CrossesI-29/KINDRED Interchange
LocationJunction Nd 46 & I-29
RouteState Highway 46
CountyRichland County
StateNorth Dakota
Coordinates46.63022, -96.83173
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating57 US tons
Inventory rating35.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length235 ft (71.6 m)
Longest span117 ft (35.7 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic900 (2019)
Projected traffic1,250 by 2039
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 Nd Highway 46 over I-29/KINDRED Interchange built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 1998.

What condition is Nd Highway 46 over I-29/KINDRED 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 April 2023.

How much traffic does Nd Highway 46 over I-29/KINDRED Interchange carry?

About 900 vehicles per day (2019 count), of which roughly 22% are trucks.

How long is Nd Highway 46 over I-29/KINDRED Interchange?

The structure is 235 ft (71.6 m) long with a longest span of 117 ft (35.7 m) and a deck 43 ft wide.

Who owns Nd Highway 46 over I-29/KINDRED Interchange?

It is owned by the State Highway Agency.