US Bridges

6-N.8 322 over Spring Creek

FairPosted for load

Washington County, Kansas · 3.3E 5.8N of Morrowville · Structure no. 001010843803100

Built
1970
55 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
23 ft
1 main span
Daily traffic
30
2014 count
Owner
County
County Highway Agency

About this bridge

6-N.8 322 over Spring Creek is a steel stringer/multi-beam or girder carrying 6-N.8 322 over Spring Creek in Washington County, Kansas. It was built in 1970, so it is 55 years old, older than the Kansas average of 52.8 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. Its operating status is: posted for load restriction.

It carries about 30 vehicles a day, projected to reach 36 by 2043. The structure is 23 ft (7 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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Carries6-N.8 322
CrossesSpring Creek
Location3.3E 5.8N of Morrowville
RouteCounty Highway 0
CountyWashington County
StateKansas
Coordinates39.92987, -97.10925
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating28 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span21 ft (6.4 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic30 (2014)
Projected traffic36 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 6-N.8 322 over Spring Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is 6-N.8 322 over Spring 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 April 2023.

How much traffic does 6-N.8 322 over Spring Creek carry?

About 30 vehicles per day (2014 count).

How long is 6-N.8 322 over Spring Creek?

The structure is 23 ft (7 m) long with a longest span of 21 ft (6.4 m) and a deck 25 ft wide.

Who owns 6-N.8 322 over Spring Creek?

It is owned by the County Highway Agency.