US Bridges

County Hiway 1112 over Maple River

Fair

Dickey County, North Dakota · 1 South 1 East Fullerton · Structure no. 000000011130100

Built
1979
46 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
100 ft
2 main spans
Daily traffic
420
2019 count
Owner
County
County Highway Agency

About this bridge

County Hiway 1112 over Maple River is a prestressed concrete continuous box beam or girders - single or spread carrying County Hiway 1112 over Maple River in Dickey County, North Dakota. It was built in 1979, so it is 46 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 420 vehicles a day, roughly 9% of them trucks, projected to reach 270 by 2039. The structure is 100 ft (30.5 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCounty Hiway 1112
CrossesMaple River
Location1 South 1 East Fullerton
RouteCounty Highway 1112
CountyDickey County
StateNorth Dakota
Coordinates46.13927, -98.39536
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.7 US tons
Inventory rating19.8 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length100 ft (30.5 m)
Longest span47 ft (14.3 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic420 (2019)
Projected traffic270 by 2039
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Hiway 1112 over Maple River built?

It was built in 1979, making it 46 years old in 2025.

What condition is County Hiway 1112 over Maple 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 April 2023.

How much traffic does County Hiway 1112 over Maple River carry?

About 420 vehicles per day (2019 count), of which roughly 9% are trucks.

How long is County Hiway 1112 over Maple River?

The structure is 100 ft (30.5 m) long with a longest span of 47 ft (14.3 m) and a deck 33 ft wide.

Who owns County Hiway 1112 over Maple River?

It is owned by the County Highway Agency.