US Bridges

Irrfb Nd Highway 8 over Hans Creek

Fair

Dunn County, North Dakota · 9 North Jct. Nd 200 · Structure no. 0008122306

Built
1971
54 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
42 ft
4 main spans
Daily traffic
180
2019 count
Owner
State
State Highway Agency

About this bridge

Irrfb Nd Highway 8 over Hans Creek is a concrete culvert carrying Irrfb Nd Highway 8 over Hans Creek in Dunn County, North Dakota. It was built in 1971, so it is 54 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 180 vehicles a day, roughly 11% of them trucks, projected to reach 358 by 2039. The structure is 42 ft (12.8 m) long. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesIrrfb Nd Highway 8
CrossesHans Creek
Location9 North Jct. Nd 200
RouteState Highway 8
CountyDunn County
StateNorth Dakota
Coordinates47.44925, -102.28994
Functional classRural Major Collector

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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating64.6 US tons
Inventory rating38.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length42 ft (12.8 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 traffic180 (2019)
Projected traffic358 by 2039
Trucks11%
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 Irrfb Nd Highway 8 over Hans Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is Irrfb Nd Highway 8 over Hans 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 2023.

How much traffic does Irrfb Nd Highway 8 over Hans Creek carry?

About 180 vehicles per day (2019 count), of which roughly 11% are trucks.

How long is Irrfb Nd Highway 8 over Hans Creek?

The structure is 42 ft (12.8 m) long with a longest span of 10 ft (3 m).

Who owns Irrfb Nd Highway 8 over Hans Creek?

It is owned by the State Highway Agency.