US Bridges

Nd Highway 66 over Ox Creek

Good

Rolette County, North Dakota · 1 East of Rolette · Structure no. 0066011925

Built
1963
62 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
580
2019 count
Owner
State
State Highway Agency

About this bridge

Nd Highway 66 over Ox Creek is a concrete culvert carrying Nd Highway 66 over Ox Creek in Rolette County, North Dakota. It was built in 1963, so it is 62 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 580 vehicles a day, roughly 12% of them trucks, projected to reach 580 by 2039. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 29.8 mi (48 km).

Location

Open in Google Maps
CarriesNd Highway 66
CrossesOx Creek
Location1 East of Rolette
RouteState Highway 66
CountyRolette County
StateNorth Dakota
Coordinates48.66084, -99.79098
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: 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 rating39.2 US tons
Inventory rating23.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic580 (2019)
Projected traffic580 by 2039
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 66 over Ox Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is Nd Highway 66 over Ox 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 2024.

How much traffic does Nd Highway 66 over Ox Creek carry?

About 580 vehicles per day (2019 count), of which roughly 12% are trucks.

How long is Nd Highway 66 over Ox Creek?

The structure is 31 ft (9.4 m) long with a longest span of 10 ft (3 m).

Who owns Nd Highway 66 over Ox Creek?

It is owned by the State Highway Agency.