US Bridges

County Highway over County Drain No. 12

Fair

Grand Forks County, North Dakota · 7 East of Johnstown · Structure no. 000000018127031

Built
1975
50 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
114 ft
2 main spans
Daily traffic
230
2019 count
Owner
County
County Highway Agency

About this bridge

County Highway over County Drain No. 12 is a prestressed concrete box beam or girders - single or spread carrying County Highway over County Drain No. 12 in Grand Forks County, North Dakota. It was built in 1975, so it is 50 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.

It carries about 230 vehicles a day, roughly 10% of them trucks, projected to reach 250 by 2039. The structure is 114 ft (34.7 m) long and 32 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesCounty Highway
CrossesCounty Drain No. 12
Location7 East of Johnstown
RouteCounty Highway 1802
CountyGrand Forks County
StateNorth Dakota
Coordinates48.15075, -97.31987
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.4 US tons
Inventory rating23.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadH 20
Structure length114 ft (34.7 m)
Longest span55 ft (16.8 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic230 (2019)
Projected traffic250 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 County Drain No. 12 built?

It was built in 1975, making it 50 years old in 2025.

What condition is County Highway over County Drain No. 12 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 August 2023.

How much traffic does County Highway over County Drain No. 12 carry?

About 230 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is County Highway over County Drain No. 12?

The structure is 114 ft (34.7 m) long with a longest span of 55 ft (16.8 m) and a deck 32 ft wide.

Who owns County Highway over County Drain No. 12?

It is owned by the County Highway Agency.