US Bridges

County Highway over Morais River

Good

Walsh County, North Dakota · 11 East 7 South Grafton · Structure no. 000000050154171

Built
1977
48 years old
Condition
Good
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
118 ft
1 main span
Daily traffic
19
2022 count
Owner
County
County Highway Agency

About this bridge

County Highway over Morais River is a prestressed concrete box beam or girders - multiple carrying County Highway over Morais River in Walsh County, North Dakota. It was built in 1977, so it is 48 years old, younger than the North Dakota average of 48.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 19 vehicles a day, roughly 12% of them trucks, projected to reach 26 by 2042. The structure is 118 ft (36 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Highway
CrossesMorais River
Location11 East 7 South Grafton
RouteCounty Highway 0
Coordinates48.30817, -97.14556
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating58.6 US tons
Inventory rating34.4 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length118 ft (36 m)
Longest span57 ft (17.4 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19 (2022)
Projected traffic26 by 2042
Trucks12%
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 Morais River built?

It was built in 1977, making it 48 years old in 2025.

What condition is County Highway over Morais River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does County Highway over Morais River carry?

About 19 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is County Highway over Morais River?

The structure is 118 ft (36 m) long with a longest span of 57 ft (17.4 m) and a deck 30 ft wide.

Who owns County Highway over Morais River?

It is owned by the County Highway Agency.