US Bridges

650N Road over US-59 HWY Nb-Sb

Good

Douglas County, Kansas · 3.5M N of JCT US-56/US-59 · Structure no. 999905900231151

Built
2012
13 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
283 ft
2 main spans
Daily traffic
848
2023 count
Owner
State
State Highway Agency

About this bridge

650N Road over US-59 HWY Nb-Sb is a steel continuous stringer/multi-beam or girder carrying 650N Road over US-59 HWY Nb-Sb 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 848 vehicles a day, roughly 2% of them trucks. The structure is 283 ft (86.3 m) long and 46 ft wide.

Carries650N Road
CrossesUS-59 HWY Nb-Sb
Location3.5M N of JCT US-56/US-59
RouteCounty Highway 1375
StateKansas
Coordinates38.83306, -95.26889
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating52.1 US tons
Inventory rating40.3 US tons

Structure

MaterialSteel Continuous
DeckNot applicable
Main spans2
Design loadHL 93
Structure length283 ft (86.3 m)
Longest span140 ft (42.7 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic848 (2023)
Projected traffic—
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 650N Road over US-59 HWY Nb-Sb built?

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

What condition is 650N Road over US-59 HWY Nb-Sb 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 650N Road over US-59 HWY Nb-Sb carry?

About 848 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is 650N Road over US-59 HWY Nb-Sb?

The structure is 283 ft (86.3 m) long with a longest span of 140 ft (42.7 m) and a deck 46 ft wide.

Who owns 650N Road over US-59 HWY Nb-Sb?

It is owned by the State Highway Agency.