US Bridges

Seneca over Spasticville Slough

FairPosted for load

Sedgwick County, Kansas · 1.0 Mi. E Valley Center · Structure no. 528550870000004

Built
1963
62 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Concrete Continuous
Length
74 ft
2 main spans
Daily traffic
480
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Seneca over Spasticville Slough is a concrete continuous tee beam carrying Seneca over Spasticville Slough in Sedgwick County, Kansas. It was built in 1963, so it is 62 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. Its operating status is: posted for load restriction.

It carries about 480 vehicles a day, roughly 5% of them trucks, projected to reach 500 by 2044. The structure is 74 ft (22.6 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSeneca
CrossesSpasticville Slough
Location1.0 Mi. E Valley Center
RouteCity Street 6603
CountySedgwick County
StateKansas
Coordinates37.83415, -97.35387
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.5 US tons
Inventory rating30.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length74 ft (22.6 m)
Longest span33 ft (10.2 m)
Deck width30 ft (9.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic480 (2015)
Projected traffic500 by 2044
Trucks5%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$825,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Seneca over Spasticville Slough built?

It was built in 1963, making it 62 years old in 2025.

What condition is Seneca over Spasticville Slough 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 April 2024.

How much traffic does Seneca over Spasticville Slough carry?

About 480 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is Seneca over Spasticville Slough?

The structure is 74 ft (22.6 m) long with a longest span of 33 ft (10.2 m) and a deck 30 ft wide.

Who owns Seneca over Spasticville Slough?

It is owned by the City or Municipal Highway Agency.