US Bridges

Tadpole Rd. over Small Stream

PoorPosted for load

Woodson County, Kansas · 276 2.5W 1.0N Neosho Fall · Structure no. 001041007505723

Built
1920
105 years old
Condition
Poor
inspected September 2024
Type
Culvert
Masonry
Length
21 ft
2 main spans
Daily traffic
10
2019 count
Owner
County
County Highway Agency

About this bridge

Tadpole Rd. over Small Stream is a masonry culvert carrying Tadpole Rd. over Small Stream in Woodson County, Kansas. It was built in 1920, so it is 105 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 10 vehicles a day, projected to reach 12 by 2044. The structure is 21 ft (6.4 m) long and 16 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesTadpole Rd.
CrossesSmall Stream
Location276 2.5W 1.0N Neosho Fall
RouteCounty Highway 0
StateKansas
Coordinates38.023, -95.60089
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating17 US tons
Inventory rating17 US tons

Structure

Structure typeCulvert
MaterialMasonry
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span10 ft (2.9 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic10 (2019)
Projected traffic12 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$280,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Tadpole Rd. over Small Stream built?

It was built in 1920, making it 105 years old in 2025.

What condition is Tadpole Rd. over Small Stream in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does Tadpole Rd. over Small Stream carry?

About 10 vehicles per day (2019 count).

How long is Tadpole Rd. over Small Stream?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (2.9 m) and a deck 16 ft wide.

Who owns Tadpole Rd. over Small Stream?

It is owned by the County Highway Agency.