US Bridges

Nd Highway 1806 over Creek

Fair

Morton County, North Dakota · 6 South of I-94 · Structure no. 1806064187

Built
1966
59 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
2,450
2017 count
Owner
State
State Highway Agency

About this bridge

Nd Highway 1806 over Creek is a concrete culvert carrying Nd Highway 1806 over Creek in Morton County, North Dakota. It was built in 1966, so it is 59 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 2,450 vehicles a day, roughly 7% of them trucks, projected to reach 1,062 by 2037. The structure is 26 ft (7.8 m) long. If it were closed, the detour would be 6.8 mi (11 km).

CarriesNd Highway 1806
CrossesCreek
Location6 South of I-94
RouteState Highway 1806
Coordinates46.74963, -100.83902
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length26 ft (7.8 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 traffic2,450 (2017)
Projected traffic1,062 by 2037
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 1806 over Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is Nd Highway 1806 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 June 2024.

How much traffic does Nd Highway 1806 over Creek carry?

About 2,450 vehicles per day (2017 count), of which roughly 7% are trucks.

How long is Nd Highway 1806 over Creek?

The structure is 26 ft (7.8 m) long with a longest span of 8 ft (2.4 m).

Who owns Nd Highway 1806 over Creek?

It is owned by the State Highway Agency.