US Bridges

Nd Highway 26 over Lake Ashtabula

Good

Barnes County, North Dakota · 9 West of Nd 32 · Structure no. 0026012634

Built
2013
12 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
230 ft
3 main spans
Daily traffic
345
2020 count
Owner
State
State Highway Agency

About this bridge

Nd Highway 26 over Lake Ashtabula is a prestressed concrete continuous stringer/multi-beam or girder carrying Nd Highway 26 over Lake Ashtabula in Barnes County, North Dakota. It was built in 2013, so it is 12 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 345 vehicles a day, roughly 16% of them trucks, projected to reach 370 by 2040. The structure is 230 ft (70.1 m) long and 34 ft wide. If it were closed, the detour would be 34.2 mi (55 km).

Location

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CarriesNd Highway 26
CrossesLake Ashtabula
Location9 West of Nd 32
RouteState Highway 26
CountyBarnes County
StateNorth Dakota
Coordinates47.21385, -97.96294
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.7 US tons
Inventory rating44.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20
Structure length230 ft (70.1 m)
Longest span93 ft (28.3 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic345 (2020)
Projected traffic370 by 2040
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.2 mi (55 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$323,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Nd Highway 26 over Lake Ashtabula built?

It was built in 2013, making it 12 years old in 2025.

What condition is Nd Highway 26 over Lake Ashtabula 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 September 2023.

How much traffic does Nd Highway 26 over Lake Ashtabula carry?

About 345 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is Nd Highway 26 over Lake Ashtabula?

The structure is 230 ft (70.1 m) long with a longest span of 93 ft (28.3 m) and a deck 34 ft wide.

Who owns Nd Highway 26 over Lake Ashtabula?

It is owned by the State Highway Agency.