US Bridges

AA.3-6 Local over Chapman Creek

FairPosted for load

Ottawa County, Kansas · 8.0E 1.5S Lamar · Structure no. 000720809304060

Built
1955
70 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
39 ft
1 main span
Daily traffic
40
2001 count
Owner
County
County Highway Agency

About this bridge

AA.3-6 Local over Chapman Creek is a steel stringer/multi-beam or girder carrying AA.3-6 Local over Chapman Creek in Ottawa County, Kansas. It was built in 1955, so it is 70 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 40 vehicles a day, projected to reach 40 by 2044. The structure is 39 ft (11.9 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesAA.3-6 Local
CrossesChapman Creek
Location8.0E 1.5S Lamar
RouteCounty Highway 0
StateKansas
Coordinates39.23364, -97.439
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating19.7 US tons
Inventory rating11.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span38 ft (11.6 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic40 (2001)
Projected traffic40 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-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$74,000
NavigationNo navigation control on waterway

Frequently asked questions

When was AA.3-6 Local over Chapman Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is AA.3-6 Local over Chapman 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 March 2024.

How much traffic does AA.3-6 Local over Chapman Creek carry?

About 40 vehicles per day (2001 count).

How long is AA.3-6 Local over Chapman Creek?

The structure is 39 ft (11.9 m) long with a longest span of 38 ft (11.6 m) and a deck 26 ft wide.

Who owns AA.3-6 Local over Chapman Creek?

It is owned by the County Highway Agency.