US Bridges

K-9 HWY over Delaware River

Fair

Atchison County, Kansas · 0.48 MI E Jackson Coln · Structure no. 999900900030471

Built
1992
33 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
430 ft
5 main spans
Daily traffic
412
2023 count
Owner
State
State Highway Agency

About this bridge

K-9 HWY over Delaware River is a prestressed concrete continuous stringer/multi-beam or girder carrying K-9 HWY over Delaware River in Atchison County, Kansas. It was built in 1992, so it is 33 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 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 412 vehicles a day, roughly 15% of them trucks, projected to reach 429 by 2044. The structure is 430 ft (131.2 m) long and 38 ft wide.

CarriesK-9 HWY
CrossesDelaware River
Location0.48 MI E Jackson Coln
RouteState Highway 9
StateKansas
Coordinates39.5875, -95.55528
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating97.3 US tons
Inventory rating40.2 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckNot applicable
Main spans5
Design loadHS 20
Structure length430 ft (131.2 m)
Longest span100 ft (30.5 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic412 (2023)
Projected traffic429 by 2044
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 K-9 HWY over Delaware River built?

It was built in 1992, making it 33 years old in 2025.

What condition is K-9 HWY over Delaware 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 June 2023.

How much traffic does K-9 HWY over Delaware River carry?

About 412 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is K-9 HWY over Delaware River?

The structure is 430 ft (131.2 m) long with a longest span of 100 ft (30.5 m) and a deck 38 ft wide.

Who owns K-9 HWY over Delaware River?

It is owned by the State Highway Agency.