US Bridges

K-4 HWY over Delaware River

Good

Jefferson County, Kansas · .22 MI NE W JCT K16 · Structure no. 999900400440561

Built
2006
19 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,403 ft
7 main spans
Daily traffic
2,754
2023 count
Owner
State
State Highway Agency

About this bridge

K-4 HWY over Delaware River is a steel continuous stringer/multi-beam or girder carrying K-4 HWY over Delaware River in Jefferson County, Kansas. It was built in 2006, so it is 19 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 2,754 vehicles a day, roughly 25% of them trucks, projected to reach 3,230 by 2044. The structure is 1,403 ft (427.7 m) long and 46 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesK-4 HWY
CrossesDelaware River
Location.22 MI NE W JCT K16
RouteState Highway 4
CountyJefferson County
StateKansas
Coordinates39.34167, -95.45
Functional classRural Principal Arterial - Other

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating83.2 US tons
Inventory rating64.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckNot applicable
Main spans7
Design loadHL 93
Structure length1,403 ft (427.7 m)
Longest span213 ft (65 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,754 (2023)
Projected traffic3,230 by 2044
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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-4 HWY over Delaware River built?

It was built in 2006, making it 19 years old in 2025.

What condition is K-4 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 K-4 HWY over Delaware River carry?

About 2,754 vehicles per day (2023 count), of which roughly 25% are trucks.

How long is K-4 HWY over Delaware River?

The structure is 1,403 ft (427.7 m) long with a longest span of 213 ft (65 m) and a deck 46 ft wide.

Who owns K-4 HWY over Delaware River?

It is owned by the State Highway Agency.