US Bridges

County Highway over Sheyenne River

PoorPosted for load

Benson County, North Dakota · 1 East 5 South Maddock · Structure no. 000000003115340

Built
1912
113 years old
Condition
Poor
inspected April 2024
Type
Truss - Thru
Steel
Length
64 ft
1 main span
Daily traffic
15
2018 count
Owner
County
County Highway Agency

About this bridge

County Highway over Sheyenne River is a steel truss - thru carrying County Highway over Sheyenne River in Benson County, North Dakota. It was built in 1912, so it is 113 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 15 vehicles a day, projected to reach 15 by 2038. The structure is 64 ft (19.5 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCounty Highway
CrossesSheyenne River
Location1 East 5 South Maddock
RouteCounty Highway 0
Coordinates47.88629, -99.5121
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating4.5 US tons
Inventory rating2.6 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length64 ft (19.5 m)
Longest span62 ft (18.9 m)
Deck width18 ft (5.4 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2018)
Projected traffic15 by 2038
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$261,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Sheyenne River built?

It was built in 1912, making it 113 years old in 2025.

What condition is County Highway over Sheyenne River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does County Highway over Sheyenne River carry?

About 15 vehicles per day (2018 count).

How long is County Highway over Sheyenne River?

The structure is 64 ft (19.5 m) long with a longest span of 62 ft (18.9 m) and a deck 18 ft wide.

Who owns County Highway over Sheyenne River?

It is owned by the County Highway Agency.