US Bridges

55th S over Trib. to Ninnescah River

Good

Sedgwick County, Kansas · 55THS 0.7 E of 311THW · Structure no. 000870781706320

Built
1997
28 years old
Condition
Good
inspected June 2024
Type
Slab
Concrete Continuous
Length
87 ft
3 main spans
Daily traffic
40
2022 count
Owner
County
County Highway Agency

About this bridge

55th S over Trib. to Ninnescah River is a concrete continuous slab carrying 55th S over Trib. to Ninnescah River in Sedgwick County, Kansas. It was built in 1997, so it is 28 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 8 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 87 ft (26.5 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
Carries55th S
CrossesTrib. to Ninnescah River
Location55THS 0.7 E of 311THW
RouteCounty Highway 0
CountySedgwick County
StateKansas
Coordinates37.59037, -97.68394
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.7 US tons
Inventory rating48.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length87 ft (26.5 m)
Longest span32 ft (9.8 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. to Ninnescah River built?

It was built in 1997, making it 28 years old in 2025.

What condition is 55th S over Trib. to Ninnescah River 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 June 2024.

How much traffic does 55th S over Trib. to Ninnescah River carry?

About 40 vehicles per day (2022 count).

How long is 55th S over Trib. to Ninnescah River?

The structure is 87 ft (26.5 m) long with a longest span of 32 ft (9.8 m) and a deck 30 ft wide.

Who owns 55th S over Trib. to Ninnescah River?

It is owned by the County Highway Agency.