US Bridges

Ar 870 over Ninnescah Riv Trib

Good

Kingman County, Kansas · 12.29 MI E Pratt Coln · Structure no. 999905400481001

Built
2013
12 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
85 ft
10 main spans
Daily traffic
28
2023 count
Owner
State
State Highway Agency

About this bridge

Ar 870 over Ninnescah Riv Trib is a concrete culvert carrying Ar 870 over Ninnescah Riv Trib in Kingman County, Kansas. It was built in 2013, so it is 12 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 28 vehicles a day. The structure is 85 ft (26 m) long and 49 ft wide.

Location

Open in Google Maps
CarriesAr 870
CrossesNinnescah Riv Trib
Location12.29 MI E Pratt Coln
RouteCounty Highway 323
CountyKingman County
StateKansas
Coordinates37.64639, -98.24472
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionAugust 2023
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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating56.4 US tons
Inventory rating43.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans10
Design loadHS 25 or greater
Structure length85 ft (26 m)
Longest span8 ft (2.4 m)
Deck width49 ft (14.9 m)
Roadway width48 ft (14.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28 (2023)
Projected traffic—
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Ar 870 over Ninnescah Riv Trib built?

It was built in 2013, making it 12 years old in 2025.

What condition is Ar 870 over Ninnescah Riv Trib 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 August 2023.

How much traffic does Ar 870 over Ninnescah Riv Trib carry?

About 28 vehicles per day (2023 count).

How long is Ar 870 over Ninnescah Riv Trib?

The structure is 85 ft (26 m) long with a longest span of 8 ft (2.4 m) and a deck 49 ft wide.

Who owns Ar 870 over Ninnescah Riv Trib?

It is owned by the State Highway Agency.