US Bridges

55th S over Trib. N. Fork Ninnescah

Good

Sedgwick County, Kansas · 55THS 0.1 E of 327THW · Structure no. 000870779206320

Built
1996
29 years old
Condition
Good
inspected April 2024
Type
Slab
Concrete Continuous
Length
75 ft
2 main spans
Daily traffic
40
2022 count
Owner
County
County Highway Agency

About this bridge

55th S over Trib. N. Fork Ninnescah is a concrete continuous slab carrying 55th S over Trib. N. Fork Ninnescah in Sedgwick County, Kansas. It was built in 1996, so it is 29 years old, younger than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 40 vehicles a day, projected to reach 60 by 2044. The structure is 75 ft (22.9 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries55th S
CrossesTrib. N. Fork Ninnescah
Location55THS 0.1 E of 327THW
RouteCounty Highway 0
StateKansas
Coordinates37.59054, -97.71392
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.1 US tons
Inventory rating43.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length75 ft (22.9 m)
Longest span36 ft (11 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic40 (2022)
Projected traffic60 by 2044
Trucks0%
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

OwnerCounty Highway Agency
Maintained byCounty 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 55th S over Trib. N. Fork Ninnescah built?

It was built in 1996, making it 29 years old in 2025.

What condition is 55th S over Trib. N. Fork Ninnescah in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does 55th S over Trib. N. Fork Ninnescah carry?

About 40 vehicles per day (2022 count).

How long is 55th S over Trib. N. Fork Ninnescah?

The structure is 75 ft (22.9 m) long with a longest span of 36 ft (11 m) and a deck 30 ft wide.

Who owns 55th S over Trib. N. Fork Ninnescah?

It is owned by the County Highway Agency.