US Bridges

Nd Highway 1804 over Beaver Creek

Good

Williams County, North Dakota · 31 East of Williston · Structure no. 1804286876

Built
2015
10 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
59 ft
4 main spans
Daily traffic
5,000
2019 count
Owner
State
State Highway Agency

About this bridge

Nd Highway 1804 over Beaver Creek is a concrete culvert carrying Nd Highway 1804 over Beaver Creek in Williams County, North Dakota. It was built in 2015, so it is 10 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 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.

It carries about 5,000 vehicles a day, roughly 23% of them trucks, projected to reach 6,000 by 2039. The structure is 59 ft (18 m) long. If it were closed, the detour would be 37.9 mi (61 km).

CarriesNd Highway 1804
CrossesBeaver Creek
Location31 East of Williston
RouteState Highway 1804
Coordinates48.19743, -103.02477
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.4 US tons
Inventory rating32 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 25 or greater
Structure length59 ft (18 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2019)
Projected traffic6,000 by 2039
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.9 mi (61 km)
TollOn a free road
National Highway SystemNo

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 1804 over Beaver Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is Nd Highway 1804 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 September 2023.

How much traffic does Nd Highway 1804 over Beaver Creek carry?

About 5,000 vehicles per day (2019 count), of which roughly 23% are trucks.

How long is Nd Highway 1804 over Beaver Creek?

The structure is 59 ft (18 m) long with a longest span of 14 ft (4.3 m).

Who owns Nd Highway 1804 over Beaver Creek?

It is owned by the State Highway Agency.