US Bridges

Nd Highway 17 over I-29/GRAFTON Interchange

Fair

Walsh County, North Dakota · JCT of Nd 17 · Structure no. 0029175792

Built
1974
51 years old, rebuilt 2009
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
265 ft
4 main spans
Daily traffic
380
2019 count
Owner
State
State Highway Agency

About this bridge

Nd Highway 17 over I-29/GRAFTON Interchange is a steel continuous stringer/multi-beam or girder carrying Nd Highway 17 over I-29/GRAFTON Interchange in Walsh County, North Dakota. It was built in 1974 and reconstructed in 2009, so it is 51 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 380 vehicles a day, roughly 13% of them trucks, projected to reach 380 by 2039. The structure is 265 ft (80.8 m) long and 35 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

Location

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CarriesNd Highway 17
CrossesI-29/GRAFTON Interchange
LocationJCT of Nd 17
RouteState Highway 17
CountyWalsh County
StateNorth Dakota
Coordinates48.41207, -97.19049
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
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 geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60.3 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length265 ft (80.8 m)
Longest span93 ft (28.3 m)
Deck width35 ft (10.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic380 (2019)
Projected traffic380 by 2039
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed21.7 mi (35 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nd Highway 17 over I-29/GRAFTON Interchange built?

It was built in 1974, making it 51 years old in 2025. It was reconstructed in 2009.

What condition is Nd Highway 17 over I-29/GRAFTON 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 17 over I-29/GRAFTON Interchange carry?

About 380 vehicles per day (2019 count), of which roughly 13% are trucks.

How long is Nd Highway 17 over I-29/GRAFTON Interchange?

The structure is 265 ft (80.8 m) long with a longest span of 93 ft (28.3 m) and a deck 35 ft wide.

Who owns Nd Highway 17 over I-29/GRAFTON Interchange?

It is owned by the State Highway Agency.