US Bridges

O.7-6 Local over Stream

FairPosted for load

Ottawa County, Kansas · 4.3W 1.5S of Lamar · Structure no. 000720785704060

Built
1955
70 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
42 ft
4 main spans
Daily traffic
35
2001 count
Owner
County
County Highway Agency

About this bridge

O.7-6 Local over Stream is a concrete culvert carrying O.7-6 Local over Stream 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 35 vehicles a day, projected to reach 35 by 2044. The structure is 42 ft (12.8 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesO.7-6 Local
CrossesStream
Location4.3W 1.5S of Lamar
RouteCounty Highway 0
CountyOttawa County
StateKansas
Coordinates39.23402, -97.65559
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating12 US tons
Inventory rating12 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadUnknown
Structure length42 ft (12.8 m)
Longest span10 ft (3 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic35 (2001)
Projected traffic35 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was O.7-6 Local over Stream built?

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

What condition is O.7-6 Local 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 O.7-6 Local over Stream carry?

About 35 vehicles per day (2001 count).

How long is O.7-6 Local over Stream?

The structure is 42 ft (12.8 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns O.7-6 Local over Stream?

It is owned by the County Highway Agency.