US Bridges

Nd Highway 18 over Creek

Fair

Cass County, North Dakota · 1 South of I-94 · Structure no. 0018072952

Built
1960
65 years old, rebuilt 2003
Condition
Fair
inspected October 2022
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
1,130
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 1960 and reconstructed in 2003, so it is 65 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 1,130 vehicles a day, roughly 10% of them trucks, projected to reach 1,255 by 2039. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 11.8 mi (19 km).

CarriesNd Highway 18
CrossesCreek
Location1 South of I-94
RouteState Highway 18
Coordinates46.86738, -97.21076
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 inspectionOctober 2022
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 rating68.9 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 traffic1,130 (2019)
Projected traffic1,255 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
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 1960, making it 65 years old in 2025. It was reconstructed in 2003.

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 October 2022.

How much traffic does Nd Highway 18 over Creek carry?

About 1,130 vehicles per day (2019 count), of which roughly 10% 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.