US Bridges

50-11.7 Local over Big Walnut Creek

FairPosted for load

Neosho County, Kansas · 0.2S 8.5E of Erie · Structure no. 000671065006347

Built
1972
53 years old
Condition
Fair
inspected November 2024
Type
Tee Beam
Prestressed Concrete
Length
58 ft
1 main span
Daily traffic
40
2019 count
Owner
County
County Highway Agency

About this bridge

50-11.7 Local over Big Walnut Creek is a prestressed concrete tee beam carrying 50-11.7 Local over Big Walnut Creek in Neosho County, Kansas. It was built in 1972, so it is 53 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 40 vehicles a day, roughly 10% of them trucks, projected to reach 48 by 2044. The structure is 58 ft (17.6 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
Carries50-11.7 Local
CrossesBig Walnut Creek
Location0.2S 8.5E of Erie
RouteCounty Highway 0
CountyNeosho County
StateKansas
Coordinates37.56347, -95.0884
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionNovember 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating22 US tons
Inventory rating19 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length58 ft (17.6 m)
Longest span57 ft (17.4 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic40 (2019)
Projected traffic48 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-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 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 50-11.7 Local over Big Walnut Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is 50-11.7 Local over Big Walnut Creek 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 50-11.7 Local over Big Walnut Creek carry?

About 40 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is 50-11.7 Local over Big Walnut Creek?

The structure is 58 ft (17.6 m) long with a longest span of 57 ft (17.4 m) and a deck 24 ft wide.

Who owns 50-11.7 Local over Big Walnut Creek?

It is owned by the County Highway Agency.