US Bridges

Rs 160 N Rock Road over Trib. to Ninnescah Riv.

Good

Sumner County, Kansas · 1.4S 2.0E of Belle Plaine · Structure no. 00000000096B080

Built
2020
5 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
135
2018 count
Owner
County
County Highway Agency

About this bridge

Rs 160 N Rock Road over Trib. to Ninnescah Riv. is a steel stringer/multi-beam or girder carrying Rs 160 N Rock Road over Trib. to Ninnescah Riv. in Sumner County, Kansas. It was built in 2020, so it is 5 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 135 vehicles a day, roughly 10% of them trucks, projected to reach 150 by 2043. The structure is 30 ft (9.1 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRs 160 N Rock Road
CrossesTrib. to Ninnescah Riv.
Location1.4S 2.0E of Belle Plaine
RouteCounty Highway 160
StateKansas
Coordinates37.37096, -97.24062
Functional classRural Major Collector

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 protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating64.8 US tons
Inventory rating38.8 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic135 (2018)
Projected traffic150 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Rs 160 N Rock Road over Trib. to Ninnescah Riv. built?

It was built in 2020, making it 5 years old in 2025.

What condition is Rs 160 N Rock Road over Trib. to Ninnescah Riv. 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 May 2023.

How much traffic does Rs 160 N Rock Road over Trib. to Ninnescah Riv. carry?

About 135 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is Rs 160 N Rock Road over Trib. to Ninnescah Riv.?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 24 ft wide.

Who owns Rs 160 N Rock Road over Trib. to Ninnescah Riv.?

It is owned by the County Highway Agency.