US Bridges

NE 70 Ave over S. Fk. Ninnescah River

Good

Pratt County, Kansas · 7.0E 1.0N of Pratt · Structure no. 000760681006224

Built
2012
13 years old
Condition
Good
inspected November 2024
Type
Slab
Concrete Continuous
Length
122 ft
3 main spans
Daily traffic
100
2021 count
Owner
County
County Highway Agency

About this bridge

NE 70 Ave over S. Fk. Ninnescah River is a concrete continuous slab carrying NE 70 Ave over S. Fk. Ninnescah River in Pratt County, Kansas. It was built in 2012, so it is 13 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 120 by 2046. The structure is 122 ft (37.3 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNE 70 Ave
CrossesS. Fk. Ninnescah River
Location7.0E 1.0N of Pratt
RouteCounty Highway 0
StateKansas
Coordinates37.65781, -98.60976
Functional classRural Minor Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 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 alignment7: Better than present minimum criteria
Operating rating66.2 US tons
Inventory rating51.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length122 ft (37.3 m)
Longest span48 ft (14.6 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 traffic100 (2021)
Projected traffic120 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 NE 70 Ave over S. Fk. Ninnescah River built?

It was built in 2012, making it 13 years old in 2025.

What condition is NE 70 Ave over S. Fk. 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 November 2024.

How much traffic does NE 70 Ave over S. Fk. Ninnescah River carry?

About 100 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is NE 70 Ave over S. Fk. Ninnescah River?

The structure is 122 ft (37.3 m) long with a longest span of 48 ft (14.6 m) and a deck 30 ft wide.

Who owns NE 70 Ave over S. Fk. Ninnescah River?

It is owned by the County Highway Agency.