US Bridges

US Highway 85 over Cherry Creek

Good

McKenzie County, North Dakota · 1 South of Nd 23 · Structure no. 0085951887

Built
1959
66 years old, rebuilt 2010
Condition
Good
inspected November 2023
Type
Tee Beam
Concrete Continuous
Length
100 ft
3 main spans
Daily traffic
1,830
2019 count
Owner
State
State Highway Agency

About this bridge

US Highway 85 over Cherry Creek is a concrete continuous tee beam carrying US Highway 85 over Cherry Creek in McKenzie County, North Dakota. It was built in 1959 and reconstructed in 2010, so it is 66 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.

It carries about 1,830 vehicles a day, roughly 13% of them trucks, projected to reach 2,700 by 2039. The structure is 100 ft (30.5 m) long and 51 ft wide. If it were closed, the detour would be 47.8 mi (77 km).

CarriesUS Highway 85
CrossesCherry Creek
Location1 South of Nd 23
RouteU.S. Route 85
Coordinates47.78748, -103.28313
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.3 US tons
Inventory rating46.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span37 ft (11.3 m)
Deck width51 ft (15.4 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,830 (2019)
Projected traffic2,700 by 2039
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed47.8 mi (77 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 Cherry Creek built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2010.

What condition is US Highway 85 over Cherry 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 November 2023.

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

About 1,830 vehicles per day (2019 count), of which roughly 13% are trucks.

How long is US Highway 85 over Cherry Creek?

The structure is 100 ft (30.5 m) long with a longest span of 37 ft (11.3 m) and a deck 51 ft wide.

Who owns US Highway 85 over Cherry Creek?

It is owned by the State Highway Agency.