US Bridges

County Highway over North Mayville Drain #8

FairPosted for load

Traill County, North Dakota · 3 East 5 North Mayville · Structure no. 000000049110070

Built
1919
106 years old, rebuilt 1968
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
40 ft
1 main span
Daily traffic
10
2018 count
Owner
County
County Highway Agency

About this bridge

County Highway over North Mayville Drain #8 is a wood or timber stringer/multi-beam or girder carrying County Highway over North Mayville Drain #8 in Traill County, North Dakota. It was built in 1919 and reconstructed in 1968, so it is 106 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. Its operating status is: posted for load restriction.

It carries about 10 vehicles a day, projected to reach 10 by 2038. The structure is 40 ft (12.2 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCounty Highway
CrossesNorth Mayville Drain #8
Location3 East 5 North Mayville
RouteCounty Highway 0
Coordinates47.57038, -97.27957
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating16.2 US tons
Inventory rating11 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 20
Structure length40 ft (12.2 m)
Longest span38 ft (11.6 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2018)
Projected traffic10 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$222,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over North Mayville Drain #8 built?

It was built in 1919, making it 106 years old in 2025. It was reconstructed in 1968.

What condition is County Highway over North Mayville Drain #8 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 September 2024.

How much traffic does County Highway over North Mayville Drain #8 carry?

About 10 vehicles per day (2018 count).

How long is County Highway over North Mayville Drain #8?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.6 m) and a deck 24 ft wide.

Who owns County Highway over North Mayville Drain #8?

It is owned by the County Highway Agency.