US Bridges

Minor 318 X7 over Trib. to Deleware River

FairPosted for load

Jackson County, Kansas · 2.0N 1.8E Whiting · Structure no. 000431005803520

Built
1983
42 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
45
2018 count
Owner
County
County Highway Agency

About this bridge

Minor 318 X7 over Trib. to Deleware River is a concrete culvert carrying Minor 318 X7 over Trib. to Deleware River in Jackson County, Kansas. It was built in 1983, so it is 42 years old, younger 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 5 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 45 vehicles a day, projected to reach 45 by 2044. The structure is 30 ft (9.2 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMinor 318 X7
CrossesTrib. to Deleware River
Location2.0N 1.8E Whiting
RouteCounty Highway 4322
CountyJackson County
StateKansas
Coordinates39.62396, -95.58583
Functional classRural Minor 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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37 US tons
Inventory rating22 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length30 ft (9.2 m)
Longest span14 ft (4.2 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic45 (2018)
Projected traffic45 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Minor 318 X7 over Trib. to Deleware River built?

It was built in 1983, making it 42 years old in 2025.

What condition is Minor 318 X7 over Trib. to Deleware River 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 January 2025.

How much traffic does Minor 318 X7 over Trib. to Deleware River carry?

About 45 vehicles per day (2018 count).

How long is Minor 318 X7 over Trib. to Deleware River?

The structure is 30 ft (9.2 m) long with a longest span of 14 ft (4.2 m) and a deck 26 ft wide.

Who owns Minor 318 X7 over Trib. to Deleware River?

It is owned by the County Highway Agency.