US Bridges

County Rd. O over Slate Creek

PoorPosted for load

Greenwood County, Kansas · 8.5E & 1.1S of Teterville · Structure no. 000000000370070

Built
1929
96 years old
Condition
Poor
inspected June 2023
Type
Tee Beam
Concrete Continuous
Length
65 ft
2 main spans
Daily traffic
95
2006 count
Owner
County
County Highway Agency

About this bridge

County Rd. O over Slate Creek is a concrete continuous tee beam carrying County Rd. O over Slate Creek in Greenwood County, Kansas. It was built in 1929, so it is 96 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 95 vehicles a day, projected to reach 165 by 2043. The structure is 65 ft (19.7 m) long and 23 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesCounty Rd. O
CrossesSlate Creek
Location8.5E & 1.1S of Teterville
CountyGreenwood County
StateKansas
Coordinates38.02701, -96.26839
Functional classRural Major Collector

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
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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating21.8 US tons
Inventory rating15.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckOther
Main spans2
Design loadHS 20
Structure length65 ft (19.7 m)
Longest span30 ft (9.1 m)
Deck width23 ft (7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic95 (2006)
Projected traffic165 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$153,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Rd. O over Slate Creek built?

It was built in 1929, making it 96 years old in 2025.

What condition is County Rd. O over Slate Creek 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 June 2023.

How much traffic does County Rd. O over Slate Creek carry?

About 95 vehicles per day (2006 count).

How long is County Rd. O over Slate Creek?

The structure is 65 ft (19.7 m) long with a longest span of 30 ft (9.1 m) and a deck 23 ft wide.

Who owns County Rd. O over Slate Creek?

It is owned by the County Highway Agency.