US Bridges

County Highway over Maple Creek

Fair

LaMoure County, North Dakota · 1 South of Edgeley · Structure no. 000000023115210

Built
1979
46 years old
Condition
Fair
inspected October 2023
Type
Tee Beam
Prestressed Concrete
Length
24 ft
1 main span
Daily traffic
24
2018 count
Owner
County
County Highway Agency

About this bridge

County Highway over Maple Creek is a prestressed concrete tee beam carrying County Highway over Maple Creek in LaMoure 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 24 vehicles a day, projected to reach 24 by 2038. The structure is 24 ft (7.3 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCounty Highway
CrossesMaple Creek
Location1 South of Edgeley
RouteCounty Highway 0
Coordinates46.33872, -98.72459
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.8 US tons
Inventory rating50 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length24 ft (7.3 m)
Longest span22 ft (6.7 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (2018)
Projected traffic24 by 2038
Trucks—
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 Highway over Maple Creek built?

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

What condition is County Highway over Maple Creek 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 October 2023.

How much traffic does County Highway over Maple Creek carry?

About 24 vehicles per day (2018 count).

How long is County Highway over Maple Creek?

The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.7 m) and a deck 30 ft wide.

Who owns County Highway over Maple Creek?

It is owned by the County Highway Agency.