US Bridges

County Highway over N. Mayville Drain No. 8

Poor

Traill County, North Dakota · 4 East 3 North Mayville · Structure no. 000000049111090

Built
1967
58 years old, rebuilt 1992
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
41 ft
2 main spans
Daily traffic
50
2018 count
Owner
County
County Highway Agency

About this bridge

County Highway over N. Mayville Drain No. 8 is a wood or timber stringer/multi-beam or girder carrying County Highway over N. Mayville Drain No. 8 in Traill County, North Dakota. It was built in 1967 and reconstructed in 1992, so it is 58 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.

It carries about 50 vehicles a day, projected to reach 50 by 2038. The structure is 41 ft (12.5 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Highway
CrossesN. Mayville Drain No. 8
Location4 East 3 North Mayville
RouteCounty Highway 0
Coordinates47.54126, -97.24404
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.8 US tons
Inventory rating30.8 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length41 ft (12.5 m)
Longest span20 ft (6.1 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2018)
Projected traffic50 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over N. Mayville Drain No. 8 built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1992.

What condition is County Highway over N. Mayville Drain No. 8 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 September 2024.

How much traffic does County Highway over N. Mayville Drain No. 8 carry?

About 50 vehicles per day (2018 count).

How long is County Highway over N. Mayville Drain No. 8?

The structure is 41 ft (12.5 m) long with a longest span of 20 ft (6.1 m) and a deck 24 ft wide.

Who owns County Highway over N. Mayville Drain No. 8?

It is owned by the County Highway Agency.