US Bridges

Robinson St. over Negro Ck

Poor

Johnson County, Kansas · 700 N. of 155th St. · Structure no. 521950460000015

Built
1986
39 years old
Condition
Poor
inspected February 2024
Type
Culvert
Steel
Length
38 ft
4 main spans
Daily traffic
700
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Robinson St. over Negro Ck is a steel culvert carrying Robinson St. over Negro Ck in Johnson County, Kansas. It was built in 1986, so it is 39 years old, younger than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 700 vehicles a day, roughly 2% of them trucks, projected to reach 900 by 2044. The structure is 38 ft (11.7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRobinson St.
CrossesNegro Ck
Location700 N. of 155th St.
RouteCity Street 0
StateKansas
Coordinates38.84883, -94.67577
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating79 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadUnknown
Structure length38 ft (11.7 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic700 (2024)
Projected traffic900 by 2044
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$900,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Robinson St. over Negro Ck built?

It was built in 1986, making it 39 years old in 2025.

What condition is Robinson St. over Negro Ck in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2024.

How much traffic does Robinson St. over Negro Ck carry?

About 700 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Robinson St. over Negro Ck?

The structure is 38 ft (11.7 m) long with a longest span of 7 ft (2.1 m).

Who owns Robinson St. over Negro Ck?

It is owned by the City or Municipal Highway Agency.