US Bridges

Hydraulic Avenue over Mid Fork Chisholm Cr.

Poor

Sedgwick County, Kansas · Hydraulic at 39th. St. N. · Structure no. 530400878236086

Built
1957
68 years old
Condition
Poor
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
181 ft
5 main spans
Daily traffic
4,500
2006 count
Owner
City
City or Municipal Highway Agency

About this bridge

Hydraulic Avenue over Mid Fork Chisholm Cr. is a prestressed concrete continuous stringer/multi-beam or girder carrying Hydraulic Avenue over Mid Fork Chisholm Cr. in Sedgwick County, Kansas. It was built in 1957, so it is 68 years old, older 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 3 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 4,500 vehicles a day, roughly 50% of them trucks, projected to reach 5,200 by 2039. The structure is 181 ft (55.2 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesHydraulic Avenue
CrossesMid Fork Chisholm Cr.
LocationHydraulic at 39th. St. N.
RouteCity Street 0
StateKansas
Coordinates37.75807, -97.31743
Functional classUrban Collector

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
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.4 US tons
Inventory rating45.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length181 ft (55.2 m)
Longest span37 ft (11.3 m)
Deck width32 ft (9.8 m)
Roadway width26 ft (8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic4,500 (2006)
Projected traffic5,200 by 2039
Trucks50%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Hydraulic Avenue over Mid Fork Chisholm Cr. built?

It was built in 1957, making it 68 years old in 2025.

What condition is Hydraulic Avenue over Mid Fork Chisholm Cr. 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 November 2024.

How much traffic does Hydraulic Avenue over Mid Fork Chisholm Cr. carry?

About 4,500 vehicles per day (2006 count), of which roughly 50% are trucks.

How long is Hydraulic Avenue over Mid Fork Chisholm Cr.?

The structure is 181 ft (55.2 m) long with a longest span of 37 ft (11.3 m) and a deck 32 ft wide.

Who owns Hydraulic Avenue over Mid Fork Chisholm Cr.?

It is owned by the City or Municipal Highway Agency.