US Bridges

County Highway over I-29/NORTH Bowesmont Sep

Fair

Pembina County, North Dakota · 5 South of Nd 5 · Structure no. 0029198090

Built
1959
66 years old, rebuilt 2008
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
244 ft
4 main spans
Daily traffic
30
2019 count
Owner
State
State Highway Agency

About this bridge

County Highway over I-29/NORTH Bowesmont Sep is a prestressed concrete continuous stringer/multi-beam or girder carrying County Highway over I-29/NORTH Bowesmont Sep in Pembina County, North Dakota. It was built in 1959 and reconstructed in 2008, so it is 66 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 6 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 30 vehicles a day, roughly 20% of them trucks, projected to reach 30 by 2039. The structure is 244 ft (74.4 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesCounty Highway
CrossesI-29/NORTH Bowesmont Sep
Location5 South of Nd 5
RouteCounty Highway 0
CountyPembina County
StateNorth Dakota
Coordinates48.73154, -97.19558
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.7 US tons
Inventory rating28.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length244 ft (74.4 m)
Longest span58 ft (17.7 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2019)
Projected traffic30 by 2039
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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-29/NORTH Bowesmont Sep built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2008.

What condition is County Highway over I-29/NORTH Bowesmont Sep 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 2023.

How much traffic does County Highway over I-29/NORTH Bowesmont Sep carry?

About 30 vehicles per day (2019 count), of which roughly 20% are trucks.

How long is County Highway over I-29/NORTH Bowesmont Sep?

The structure is 244 ft (74.4 m) long with a longest span of 58 ft (17.7 m) and a deck 29 ft wide.

Who owns County Highway over I-29/NORTH Bowesmont Sep?

It is owned by the State Highway Agency.