US Bridges

239th Street over Trib. to Rock Creek

Fair

Miami County, Kansas · 2.4W 2.0S of Antioch · Structure no. 000611073104800

Built
1930
95 years old, rebuilt 1983
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
28 ft
2 main spans
Daily traffic
142
2011 count
Owner
County
County Highway Agency

About this bridge

239th Street over Trib. to Rock Creek is a steel stringer/multi-beam or girder carrying 239th Street over Trib. to Rock Creek in Miami County, Kansas. It was built in 1930 and reconstructed in 1983, so it is 95 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.

It carries about 142 vehicles a day, projected to reach 155 by 2043. The structure is 28 ft (8.4 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries239th Street
CrossesTrib. to Rock Creek
Location2.4W 2.0S of Antioch
RouteCounty Highway 0
CountyMiami County
StateKansas
Coordinates38.6948, -94.99122
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99.9 US tons
Inventory rating61.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans2
Design loadHS 20
Structure length28 ft (8.4 m)
Longest span11 ft (3.5 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic142 (2011)
Projected traffic155 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$37,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 239th Street over Trib. to Rock Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1983.

What condition is 239th Street over Trib. to Rock 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 July 2023.

How much traffic does 239th Street over Trib. to Rock Creek carry?

About 142 vehicles per day (2011 count).

How long is 239th Street over Trib. to Rock Creek?

The structure is 28 ft (8.4 m) long with a longest span of 11 ft (3.5 m) and a deck 18 ft wide.

Who owns 239th Street over Trib. to Rock Creek?

It is owned by the County Highway Agency.