US Bridges

US Highway 85 over Camp Creek

Good

Williams County, North Dakota · 5 N 1 W of Williston · Structure no. 0085195676

Built
2012
13 years old
Condition
Good
inspected September 2021
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
6,440
2017 count
Owner
State
State Highway Agency

About this bridge

US Highway 85 over Camp Creek is a concrete culvert carrying US Highway 85 over Camp Creek in Williams County, North Dakota. It was built in 2012, so it is 13 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 6,440 vehicles a day, roughly 33% of them trucks, projected to reach 10,355 by 2037. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesUS Highway 85
CrossesCamp Creek
Location5 N 1 W of Williston
RouteU.S. Route 85
Coordinates48.24163, -103.64729
Functional classRural Principal Arterial - Other

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 2021
Inspection intervalevery 48 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 rating57.1 US tons
Inventory rating42.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic6,440 (2017)
Projected traffic10,355 by 2037
Trucks33%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 US Highway 85 over Camp Creek built?

It was built in 2012, making it 13 years old in 2025.

What condition is US Highway 85 over Camp 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 2021.

How much traffic does US Highway 85 over Camp Creek carry?

About 6,440 vehicles per day (2017 count), of which roughly 33% are trucks.

How long is US Highway 85 over Camp Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns US Highway 85 over Camp Creek?

It is owned by the State Highway Agency.