US Bridges

County Highway over Morias River

FairPosted for load

Grand Forks County, North Dakota · 2 North 1 East Manvel · Structure no. 000000018135061

Built
1950
75 years old, rebuilt 1986
Condition
Fair
inspected September 2023
Type
Truss - Thru
Steel
Length
64 ft
1 main span
Daily traffic
30
2019 count
Owner
County
County Highway Agency

About this bridge

County Highway over Morias River is a steel truss - thru carrying County Highway over Morias River in Grand Forks County, North Dakota. It was built in 1950 and reconstructed in 1986, so it is 75 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 30 vehicles a day, projected to reach 30 by 2039. The structure is 64 ft (19.5 m) long and 18 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCounty Highway
CrossesMorias River
Location2 North 1 East Manvel
RouteCounty Highway 0
CountyGrand Forks County
StateNorth Dakota
Coordinates48.10656, -97.14892
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating23.7 US tons
Inventory rating14.2 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadH 20
Structure length64 ft (19.5 m)
Longest span56 ft (17.1 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deck13 ft (4 m)

Traffic and service

Average daily traffic30 (2019)
Projected traffic30 by 2039
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 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 Morias River built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1986.

What condition is County Highway over Morias River 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 2023.

How much traffic does County Highway over Morias River carry?

About 30 vehicles per day (2019 count).

How long is County Highway over Morias River?

The structure is 64 ft (19.5 m) long with a longest span of 56 ft (17.1 m) and a deck 18 ft wide.

Who owns County Highway over Morias River?

It is owned by the County Highway Agency.