US Bridges

Nd Highway 68 over Antelope Creek

Fair

McKenzie County, North Dakota · 3 South of US 85 · Structure no. 0068025453

Built
1969
56 years old
Condition
Fair
inspected November 2021
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
370
2017 count
Owner
State
State Highway Agency

About this bridge

Nd Highway 68 over Antelope Creek is a concrete culvert carrying Nd Highway 68 over Antelope Creek in McKenzie County, North Dakota. It was built in 1969, so it is 56 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 370 vehicles a day, roughly 22% of them trucks, projected to reach 550 by 2037. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesNd Highway 68
CrossesAntelope Creek
Location3 South of US 85
RouteState Highway 68
CountyMcKenzie County
StateNorth Dakota
Coordinates47.76828, -103.64782
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64.8 US tons
Inventory rating38.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 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 traffic370 (2017)
Projected traffic550 by 2037
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 68 over Antelope Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is Nd Highway 68 over Antelope 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 November 2021.

How much traffic does Nd Highway 68 over Antelope Creek carry?

About 370 vehicles per day (2017 count), of which roughly 22% are trucks.

How long is Nd Highway 68 over Antelope Creek?

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

Who owns Nd Highway 68 over Antelope Creek?

It is owned by the State Highway Agency.