US Bridges

75th ST SE over Beaver Creek

Fair

Logan County, North Dakota · 2 West 12 South Napoleon · Structure no. 000000024105210

Built
1967
58 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
24
2019 count
Owner
County
County Highway Agency

About this bridge

75th ST SE over Beaver Creek is a prestressed concrete box beam or girders - single or spread carrying 75th ST SE over Beaver Creek in Logan County, North Dakota. It was built in 1967, so it is 58 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 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 2039. The structure is 60 ft (18.3 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries75th ST SE
CrossesBeaver Creek
Location2 West 12 South Napoleon
RouteCounty Highway 0
CountyLogan County
StateNorth Dakota
Coordinates46.32628, -99.81312
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length60 ft (18.3 m)
Longest span58 ft (17.7 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (2019)
Projected traffic24 by 2039
Trucks—
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 75th ST SE over Beaver Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is 75th ST SE over Beaver 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 75th ST SE over Beaver Creek carry?

About 24 vehicles per day (2019 count).

How long is 75th ST SE over Beaver Creek?

The structure is 60 ft (18.3 m) long with a longest span of 58 ft (17.7 m) and a deck 34 ft wide.

Who owns 75th ST SE over Beaver Creek?

It is owned by the County Highway Agency.