US Bridges

Nd Highway 18 over Creek

Fair

Cass County, North Dakota · South Side of Hunter · Structure no. 0018095534

Built
1959
66 years old
Condition
Fair
inspected September 2021
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
950
2019 count
Owner
State
State Highway Agency

About this bridge

Nd Highway 18 over Creek is a concrete culvert carrying Nd Highway 18 over Creek in Cass County, North Dakota. It was built in 1959, 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 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 950 vehicles a day, roughly 13% of them trucks, projected to reach 969 by 2039. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 19.3 mi (31 km).

Location

Open in Google Maps
CarriesNd Highway 18
CrossesCreek
LocationSouth Side of Hunter
RouteState Highway 18
CountyCass County
StateNorth Dakota
Coordinates47.18768, -97.21737
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating78.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic950 (2019)
Projected traffic969 by 2039
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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 18 over Creek built?

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

What condition is Nd Highway 18 over 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 September 2021.

How much traffic does Nd Highway 18 over Creek carry?

About 950 vehicles per day (2019 count), of which roughly 13% are trucks.

How long is Nd Highway 18 over Creek?

The structure is 26 ft (7.9 m) long with a longest span of 8 ft (2.4 m).

Who owns Nd Highway 18 over Creek?

It is owned by the State Highway Agency.