US Bridges

46th Street over Beaver Creek

GoodPosted for load

Morton County, North Dakota · 6 South 2 East New Salem · Structure no. 000000030135160

Built
1970
55 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
25 ft
1 main span
Daily traffic
20
2018 count
Owner
County
County Highway Agency

About this bridge

46th Street over Beaver Creek is a wood or timber stringer/multi-beam or girder carrying 46th Street over Beaver Creek in Morton County, North Dakota. It was built in 1970, so it is 55 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 20 vehicles a day, projected to reach 20 by 2038. The structure is 25 ft (7.6 m) long and 25 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Carries46th Street
CrossesBeaver Creek
Location6 South 2 East New Salem
RouteCounty Highway 0
Coordinates46.74628, -101.3725
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.1 US tons
Inventory rating20.5 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width25 ft (7.5 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2018)
Projected traffic20 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$50,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 46th Street over Beaver Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is 46th Street over Beaver Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.

How much traffic does 46th Street over Beaver Creek carry?

About 20 vehicles per day (2018 count).

How long is 46th Street over Beaver Creek?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 25 ft wide.

Who owns 46th Street over Beaver Creek?

It is owned by the County Highway Agency.