US Bridges

County Highway over Buffalo Coulee

Fair

Grand Forks County, North Dakota · 9 East of Reynolds · Structure no. 000000018146360

Built
1980
45 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
68 ft
1 main span
Daily traffic
140
2019 count
Owner
County
County Highway Agency

About this bridge

County Highway over Buffalo Coulee is a prestressed concrete box beam or girders - single or spread carrying County Highway over Buffalo Coulee in Grand Forks County, North Dakota. It was built in 1980, so it is 45 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 140 vehicles a day, roughly 12% of them trucks, projected to reach 140 by 2039. The structure is 68 ft (20.7 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Highway
CrossesBuffalo Coulee
Location9 East of Reynolds
RouteCounty Highway 1825
CountyGrand Forks County
StateNorth Dakota
Coordinates47.67213, -96.92013
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.8 US tons
Inventory rating27.1 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length68 ft (20.7 m)
Longest span66 ft (20 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (2019)
Projected traffic140 by 2039
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 Buffalo Coulee built?

It was built in 1980, making it 45 years old in 2025.

What condition is County Highway over Buffalo Coulee 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 June 2023.

How much traffic does County Highway over Buffalo Coulee carry?

About 140 vehicles per day (2019 count), of which roughly 12% are trucks.

How long is County Highway over Buffalo Coulee?

The structure is 68 ft (20.7 m) long with a longest span of 66 ft (20 m) and a deck 30 ft wide.

Who owns County Highway over Buffalo Coulee?

It is owned by the County Highway Agency.