US Bridges

Sereca over Big Ditch Floodway

Fair

Sedgwick County, Kansas · Seneca 0.6 N of 71STS · Structure no. 000870819006344

Built
1984
41 years old
Condition
Fair
inspected October 2024
Type
Tee Beam
Prestressed Concrete Continuous
Length
531 ft
15 main spans
Daily traffic
8,736
2022 count
Owner
County
County Highway Agency

About this bridge

Sereca over Big Ditch Floodway is a prestressed concrete continuous tee beam carrying Sereca over Big Ditch Floodway in Sedgwick County, Kansas. It was built in 1984, so it is 41 years old, younger 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 5 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 8,736 vehicles a day, roughly 2% of them trucks, projected to reach 10,658 by 2044. The structure is 531 ft (161.8 m) long and 54 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSereca
CrossesBig Ditch Floodway
LocationSeneca 0.6 N of 71STS
RouteCounty Highway 0
CountySedgwick County
StateKansas
Coordinates37.57325, -97.35224
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.6 US tons
Inventory rating20.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans15
Design loadHS 20
Structure length531 ft (161.8 m)
Longest span36 ft (11 m)
Deck width54 ft (16.5 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic8,736 (2022)
Projected traffic10,658 by 2044
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$100,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sereca over Big Ditch Floodway built?

It was built in 1984, making it 41 years old in 2025.

What condition is Sereca over Big Ditch Floodway 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 October 2024.

How much traffic does Sereca over Big Ditch Floodway carry?

About 8,736 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Sereca over Big Ditch Floodway?

The structure is 531 ft (161.8 m) long with a longest span of 36 ft (11 m) and a deck 54 ft wide.

Who owns Sereca over Big Ditch Floodway?

It is owned by the County Highway Agency.