US Bridges

13th Street North over Big Slough

Fair

Sedgwick County, Kansas · 1300 Ft E of Ridge RD · Structure no. 430400870000281

Built
1974
51 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete Continuous
Length
171 ft
4 main spans
Daily traffic
12,500
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

13th Street North over Big Slough is a concrete continuous slab carrying 13th Street North over Big Slough in Sedgwick County, Kansas. It was built in 1974, so it is 51 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 12,500 vehicles a day, roughly 10% of them trucks, projected to reach 14,000 by 2039. The structure is 171 ft (52.1 m) long and 54 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries13th Street North
CrossesBig Slough
Location1300 Ft E of Ridge RD
RouteCity Street 6380
StateKansas
Coordinates37.7089, -97.4212
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating38.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length171 ft (52.1 m)
Longest span48 ft (14.5 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 traffic12,500 (2010)
Projected traffic14,000 by 2039
Trucks10%
Lanes on structure4
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$380,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 13th Street North over Big Slough built?

It was built in 1974, making it 51 years old in 2025.

What condition is 13th Street North over Big 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 August 2023.

How much traffic does 13th Street North over Big Slough carry?

About 12,500 vehicles per day (2010 count), of which roughly 10% are trucks.

How long is 13th Street North over Big Slough?

The structure is 171 ft (52.1 m) long with a longest span of 48 ft (14.5 m) and a deck 54 ft wide.

Who owns 13th Street North over Big Slough?

It is owned by the City or Municipal Highway Agency.