US Bridges

K-47 HWY over Neosho River Drainage

Good

Neosho County, Kansas · 9.74 MI E US169 · Structure no. 999904700670381

Built
1950
75 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
37 ft
3 main spans
Daily traffic
1,816
2023 count
Owner
State
State Highway Agency

About this bridge

K-47 HWY over Neosho River Drainage is a concrete culvert carrying K-47 HWY over Neosho River Drainage in Neosho County, Kansas. It was built in 1950, so it is 75 years old, older 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 1,816 vehicles a day, roughly 30% of them trucks, projected to reach 2,351 by 2044. The structure is 37 ft (11.2 m) long and 33 ft wide.

CarriesK-47 HWY
CrossesNeosho River Drainage
Location9.74 MI E US169
RouteState Highway 47
StateKansas
Coordinates37.52917, -95.29389
Functional classRural Minor Arterial

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be 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 alignment7: Better than present minimum criteria
Operating rating29.4 US tons
Inventory rating17 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length37 ft (11.2 m)
Longest span10 ft (3 m)
Deck width33 ft (10.2 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,816 (2023)
Projected traffic2,351 by 2044
Trucks30%
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 K-47 HWY over Neosho River Drainage built?

It was built in 1950, making it 75 years old in 2025.

What condition is K-47 HWY over Neosho River Drainage 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 March 2024.

How much traffic does K-47 HWY over Neosho River Drainage carry?

About 1,816 vehicles per day (2023 count), of which roughly 30% are trucks.

How long is K-47 HWY over Neosho River Drainage?

The structure is 37 ft (11.2 m) long with a longest span of 10 ft (3 m) and a deck 33 ft wide.

Who owns K-47 HWY over Neosho River Drainage?

It is owned by the State Highway Agency.