US Bridges

RD B 927.0-500.1 over Neosho River

FairPosted for load

Lyon County, Kansas · 3.0N 4.0W of Americus · Structure no. 000560927005001

Built
1916
109 years old
Condition
Fair
inspected February 2023
Type
Arch - Deck
Concrete Continuous
Length
134 ft
2 main spans
Daily traffic
30
2007 count
Owner
County
County Highway Agency

About this bridge

RD B 927.0-500.1 over Neosho River is a concrete continuous arch - deck carrying RD B 927.0-500.1 over Neosho River in Lyon County, Kansas. It was built in 1916, so it is 109 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 5 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 30 vehicles a day, projected to reach 30 by 2043. The structure is 134 ft (40.8 m) long and 18 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesRD B 927.0-500.1
CrossesNeosho River
Location3.0N 4.0W of Americus
RouteCounty Highway 0
CountyLyon County
StateKansas
Coordinates38.55014, -96.33561
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating40 US tons
Inventory rating25 US tons

Structure

Structure typeArch - Deck
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length134 ft (40.8 m)
Longest span60 ft (18.2 m)
Deck width18 ft (5.4 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic30 (2007)
Projected traffic30 by 2043
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$157,000
NavigationNo navigation control on waterway

Frequently asked questions

When was RD B 927.0-500.1 over Neosho River built?

It was built in 1916, making it 109 years old in 2025.

What condition is RD B 927.0-500.1 over Neosho River 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 February 2023.

How much traffic does RD B 927.0-500.1 over Neosho River carry?

About 30 vehicles per day (2007 count).

How long is RD B 927.0-500.1 over Neosho River?

The structure is 134 ft (40.8 m) long with a longest span of 60 ft (18.2 m) and a deck 18 ft wide.

Who owns RD B 927.0-500.1 over Neosho River?

It is owned by the County Highway Agency.