US Bridges

Greene Road over Carnahan Creek

Fair

Pottawatomie County, Kansas · 2.0S 1.0E of Oldsburg · Structure no. 000750899403825

Built
1970
55 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
50
2013 count
Owner
County
County Highway Agency

About this bridge

Greene Road over Carnahan Creek is a steel stringer/multi-beam or girder carrying Greene Road over Carnahan Creek in Pottawatomie County, Kansas. It was built in 1970, so it is 55 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: open, posting recommended but not legally implemented.

It carries about 50 vehicles a day, projected to reach 60 by 2043. The structure is 50 ft (15.2 m) long and 16 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesGreene Road
CrossesCarnahan Creek
Location2.0S 1.0E of Oldsburg
RouteCounty Highway 0
StateKansas
Coordinates39.39911, -96.59947
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
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, posting recommended but not legally implemented
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating12.2 US tons
Inventory rating9 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span48 ft (14.6 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 traffic50 (2013)
Projected traffic60 by 2043
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$360,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Greene Road over Carnahan Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Greene Road over Carnahan 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 January 2024.

How much traffic does Greene Road over Carnahan Creek carry?

About 50 vehicles per day (2013 count).

How long is Greene Road over Carnahan Creek?

The structure is 50 ft (15.2 m) long with a longest span of 48 ft (14.6 m) and a deck 16 ft wide.

Who owns Greene Road over Carnahan Creek?

It is owned by the County Highway Agency.