US Bridges

Nd Highway 13 over Beaver Creek

Fair

Emmons County, North Dakota · 16 East of US 83 · Structure no. 0013216299

Built
1961
64 years old
Condition
Fair
inspected September 2024
Type
Tee Beam
Concrete Continuous
Length
120 ft
3 main spans
Daily traffic
420
2019 count
Owner
State
State Highway Agency

About this bridge

Nd Highway 13 over Beaver Creek is a concrete continuous tee beam carrying Nd Highway 13 over Beaver Creek in Emmons County, North Dakota. It was built in 1961, so it is 64 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 420 vehicles a day, roughly 12% of them trucks, projected to reach 554 by 2039. The structure is 120 ft (36.6 m) long and 36 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

CarriesNd Highway 13
CrossesBeaver Creek
Location16 East of US 83
RouteState Highway 13
Coordinates46.26049, -99.90345
Functional classRural Principal Arterial - Other

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 protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.3 US tons
Inventory rating53.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span45 ft (13.7 m)
Deck width36 ft (10.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic420 (2019)
Projected traffic554 by 2039
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Nd Highway 13 over Beaver Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is Nd Highway 13 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 September 2024.

How much traffic does Nd Highway 13 over Beaver Creek carry?

About 420 vehicles per day (2019 count), of which roughly 12% are trucks.

How long is Nd Highway 13 over Beaver Creek?

The structure is 120 ft (36.6 m) long with a longest span of 45 ft (13.7 m) and a deck 36 ft wide.

Who owns Nd Highway 13 over Beaver Creek?

It is owned by the State Highway Agency.