US Bridges

2400 St. 12.0-O.9 over Stream

FairPosted for load

Allen County, Kansas · 6.9S 1.0W of LA Harpe · Structure no. 000011039005989

Built
1920
105 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
38 ft
1 main span
Daily traffic
30
2006 count
Owner
County
County Highway Agency

About this bridge

2400 St. 12.0-O.9 over Stream is a concrete stringer/multi-beam or girder carrying 2400 St. 12.0-O.9 over Stream in Allen 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 fair condition with a lowest component rating of 6 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: posted for load restriction.

It carries about 30 vehicles a day, projected to reach 30 by 2044. The structure is 38 ft (11.6 m) long and 16 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries2400 St. 12.0-O.9
CrossesStream
Location6.9S 1.0W of LA Harpe
RouteCounty Highway 0
CountyAllen County
StateKansas
Coordinates37.82192, -95.31775
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating29.8 US tons
Inventory rating21.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length38 ft (11.6 m)
Longest span34 ft (10.3 m)
Deck width16 ft (4.9 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic30 (2006)
Projected traffic30 by 2044
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$41,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 2400 St. 12.0-O.9 over Stream built?

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

What condition is 2400 St. 12.0-O.9 over Stream 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 February 2024.

How much traffic does 2400 St. 12.0-O.9 over Stream carry?

About 30 vehicles per day (2006 count).

How long is 2400 St. 12.0-O.9 over Stream?

The structure is 38 ft (11.6 m) long with a longest span of 34 ft (10.3 m) and a deck 16 ft wide.

Who owns 2400 St. 12.0-O.9 over Stream?

It is owned by the County Highway Agency.