US Bridges

Ninth Street over Wichita Drainage Canal

Fair

Sedgwick County, Kansas · 9th ST at I-135 · Structure no. 530400870WDC110

Built
1971
54 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete Continuous
Length
123 ft
3 main spans
Daily traffic
8,500
2006 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ninth Street over Wichita Drainage Canal is a concrete continuous slab carrying Ninth Street over Wichita Drainage Canal in Sedgwick County, Kansas. It was built in 1971, so it is 54 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 8,500 vehicles a day, roughly 2% of them trucks, projected to reach 11,000 by 2039. The structure is 123 ft (37.5 m) long and 67 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNinth Street
CrossesWichita Drainage Canal
Location9th ST at I-135
RouteCity Street 0
StateKansas
Coordinates37.70053, -97.31764
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating75 US tons
Inventory rating44.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length123 ft (37.5 m)
Longest span48 ft (14.5 m)
Deck width67 ft (20.3 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic8,500 (2006)
Projected traffic11,000 by 2039
Trucks2%
Lanes on structure4
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ninth Street over Wichita Drainage Canal built?

It was built in 1971, making it 54 years old in 2025.

What condition is Ninth Street over Wichita Drainage Canal in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2023.

How much traffic does Ninth Street over Wichita Drainage Canal carry?

About 8,500 vehicles per day (2006 count), of which roughly 2% are trucks.

How long is Ninth Street over Wichita Drainage Canal?

The structure is 123 ft (37.5 m) long with a longest span of 48 ft (14.5 m) and a deck 67 ft wide.

Who owns Ninth Street over Wichita Drainage Canal?

It is owned by the City or Municipal Highway Agency.