US Bridges

County Highway over Intermittent Stream

FairClosed to traffic

Traill County, North Dakota · 5 East 1 South Mayville · Structure no. 000000049113130

Built
1961
64 years old
Condition
Fair
inspected September 2020
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
31 ft
1 main span
Daily traffic
10
2018 count
Owner
County
County Highway Agency

About this bridge

County Highway over Intermittent Stream is a wood or timber stringer/multi-beam or girder carrying County Highway over Intermittent Stream in Traill County, North Dakota. It was built in 1961, so it is 64 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: closed to all traffic.

It carries about 10 vehicles a day, projected to reach 10 by 2038. The structure is 31 ft (9.4 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCounty Highway
CrossesIntermittent Stream
Location5 East 1 South Mayville
RouteCounty Highway 0
CountyTraill County
StateNorth Dakota
Coordinates47.48341, -97.21411
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2020
Inspection interval—
Operating statusClosed to all traffic
ScourUnknown foundation; not evaluated for scour
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating15.9 US tons
Inventory rating9.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span28 ft (8.5 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 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 closed1.9 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$29,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Intermittent Stream built?

It was built in 1961, making it 64 years old in 2025.

What condition is County Highway over Intermittent Stream 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 2020.

How much traffic does County Highway over Intermittent Stream carry?

About 10 vehicles per day (2018 count).

How long is County Highway over Intermittent Stream?

The structure is 31 ft (9.4 m) long with a longest span of 28 ft (8.5 m) and a deck 24 ft wide.

Who owns County Highway over Intermittent Stream?

It is owned by the County Highway Agency.