US Bridges

K116 HWY over Delaware River

Good

Atchison County, Kansas · 1.52 MI E Jackson CO Line · Structure no. 999911600030461

Built
1985
40 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
324 ft
3 main spans
Daily traffic
768
2023 count
Owner
State
State Highway Agency

About this bridge

K116 HWY over Delaware River is a steel continuous stringer/multi-beam or girder carrying K116 HWY over Delaware River in Atchison County, Kansas. It was built in 1985, so it is 40 years old, younger than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 768 vehicles a day, roughly 18% of them trucks, projected to reach 784 by 2044. The structure is 324 ft (98.7 m) long and 38 ft wide. If it were closed, the detour would be 34.2 mi (55 km).

CarriesK116 HWY
CrossesDelaware River
Location1.52 MI E Jackson CO Line
RouteState Highway 116
StateKansas
Coordinates39.46139, -95.54194
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating75.9 US tons
Inventory rating45.4 US tons

Structure

MaterialSteel Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length324 ft (98.7 m)
Longest span120 ft (36.6 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic768 (2023)
Projected traffic784 by 2044
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.2 mi (55 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 K116 HWY over Delaware River built?

It was built in 1985, making it 40 years old in 2025.

What condition is K116 HWY over Delaware River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does K116 HWY over Delaware River carry?

About 768 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is K116 HWY over Delaware River?

The structure is 324 ft (98.7 m) long with a longest span of 120 ft (36.6 m) and a deck 38 ft wide.

Who owns K116 HWY over Delaware River?

It is owned by the State Highway Agency.