US Bridges

23-15.6 Minor over Trib. Neosho

FairPosted for load

Neosho County, Kansas · 13.00N-15.6E · Structure no. 000671047606340

Built
1924
101 years old
Condition
Fair
inspected November 2024
Type
Arch - Deck
Concrete
Length
27 ft
1 main span
Daily traffic
500
2019 count
Owner
County
County Highway Agency

About this bridge

23-15.6 Minor over Trib. Neosho is a concrete arch - deck carrying 23-15.6 Minor over Trib. Neosho in Neosho County, Kansas. It was built in 1924, so it is 101 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 500 vehicles a day, roughly 10% of them trucks, projected to reach 600 by 2044. The structure is 27 ft (8.2 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries23-15.6 Minor
CrossesTrib. Neosho
Location13.00N-15.6E
RouteCounty Highway 6712
CountyNeosho County
StateKansas
Coordinates37.57243, -95.24123
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33 US tons
Inventory rating25 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span27 ft (8.1 m)
Deck width24 ft (7.3 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic500 (2019)
Projected traffic600 by 2044
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 statusListed on the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$260,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 23-15.6 Minor over Trib. Neosho built?

It was built in 1924, making it 101 years old in 2025.

What condition is 23-15.6 Minor over Trib. Neosho in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.

How much traffic does 23-15.6 Minor over Trib. Neosho carry?

About 500 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is 23-15.6 Minor over Trib. Neosho?

The structure is 27 ft (8.2 m) long with a longest span of 27 ft (8.1 m) and a deck 24 ft wide.

Who owns 23-15.6 Minor over Trib. Neosho?

It is owned by the County Highway Agency.