US Bridges

Nd Highway 44 over I-29/HERRICK Interchange

Good

Walsh County, North Dakota · 3 South Nd 66 · Structure no. 0029184038

Built
2004
21 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
256 ft
2 main spans
Daily traffic
700
2019 count
Owner
State
State Highway Agency

About this bridge

Nd Highway 44 over I-29/HERRICK Interchange is a prestressed concrete continuous stringer/multi-beam or girder carrying Nd Highway 44 over I-29/HERRICK Interchange in Walsh County, North Dakota. It was built in 2004, so it is 21 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 700 vehicles a day, roughly 12% of them trucks, projected to reach 855 by 2039. The structure is 256 ft (78 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNd Highway 44
CrossesI-29/HERRICK Interchange
Location3 South Nd 66
RouteState Highway 44
Coordinates48.53013, -97.18589
Functional classRural Major Collector

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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating99 US tons
Inventory rating63.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length256 ft (78 m)
Longest span124 ft (37.8 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2019)
Projected traffic855 by 2039
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.9 mi (3 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 Nd Highway 44 over I-29/HERRICK Interchange built?

It was built in 2004, making it 21 years old in 2025.

What condition is Nd Highway 44 over I-29/HERRICK Interchange 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 November 2023.

How much traffic does Nd Highway 44 over I-29/HERRICK Interchange carry?

About 700 vehicles per day (2019 count), of which roughly 12% are trucks.

How long is Nd Highway 44 over I-29/HERRICK Interchange?

The structure is 256 ft (78 m) long with a longest span of 124 ft (37.8 m) and a deck 39 ft wide.

Who owns Nd Highway 44 over I-29/HERRICK Interchange?

It is owned by the State Highway Agency.