US Bridges

NB US-59 Highway over US-56 Highway

Good

Douglas County, Kansas · 3.0 MI N of Fr-Dg CO LN · Structure no. 999905900231121

Built
2012
13 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
283 ft
3 main spans
Daily traffic
3,607
2023 count
Owner
State
State Highway Agency

About this bridge

NB US-59 Highway over US-56 Highway is a steel continuous stringer/multi-beam or girder carrying NB US-59 Highway over US-56 Highway in Douglas County, Kansas. It was built in 2012, so it is 13 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 3,607 vehicles a day, roughly 8% of them trucks, projected to reach 4,858 by 2044. The structure is 283 ft (86.3 m) long and 42 ft wide.

CarriesNB US-59 Highway
CrossesUS-56 Highway
Location3.0 MI N of Fr-Dg CO LN
RouteU.S. Route 59
StateKansas
Coordinates38.78222, -95.26861
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.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.6 US tons
Inventory rating49.6 US tons

Structure

MaterialSteel Continuous
DeckNot applicable
Main spans3
Design loadHL 93
Structure length283 ft (86.3 m)
Longest span120 ft (36.6 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,607 (2023)
Projected traffic4,858 by 2044
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 NB US-59 Highway over US-56 Highway built?

It was built in 2012, making it 13 years old in 2025.

What condition is NB US-59 Highway over US-56 Highway 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 2024.

How much traffic does NB US-59 Highway over US-56 Highway carry?

About 3,607 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is NB US-59 Highway over US-56 Highway?

The structure is 283 ft (86.3 m) long with a longest span of 120 ft (36.6 m) and a deck 42 ft wide.

Who owns NB US-59 Highway over US-56 Highway?

It is owned by the State Highway Agency.