US Bridges

Rs 414 K.9-21.5 over Neosho River

Good

Lyon County, Kansas · 1.7N 1.3E of Emporia · Structure no. 000000000560200

Built
1992
33 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
293 ft
3 main spans
Daily traffic
1,255
2007 count
Owner
County
County Highway Agency

About this bridge

Rs 414 K.9-21.5 over Neosho River is a prestressed concrete continuous stringer/multi-beam or girder carrying Rs 414 K.9-21.5 over Neosho River in Lyon County, Kansas. It was built in 1992, so it is 33 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 1,255 vehicles a day, roughly 10% of them trucks, projected to reach 1,280 by 2043. The structure is 293 ft (89.2 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesRs 414 K.9-21.5
CrossesNeosho River
Location1.7N 1.3E of Emporia
RouteCounty Highway 414
StateKansas
Coordinates38.42853, -96.15819
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating65.8 US tons
Inventory rating39.4 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length293 ft (89.2 m)
Longest span110 ft (33.5 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic1,255 (2007)
Projected traffic1,280 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 414 K.9-21.5 over Neosho River built?

It was built in 1992, making it 33 years old in 2025.

What condition is Rs 414 K.9-21.5 over Neosho 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 February 2023.

How much traffic does Rs 414 K.9-21.5 over Neosho River carry?

About 1,255 vehicles per day (2007 count), of which roughly 10% are trucks.

How long is Rs 414 K.9-21.5 over Neosho River?

The structure is 293 ft (89.2 m) long with a longest span of 110 ft (33.5 m) and a deck 32 ft wide.

Who owns Rs 414 K.9-21.5 over Neosho River?

It is owned by the County Highway Agency.