US Bridges

B-1.5 Local over Stream

Good

Ottawa County, Kansas · 8.0W 1.5N of Delphos · Structure no. 000720759003965

Built
1960
65 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
25
2001 count
Owner
County
County Highway Agency

About this bridge

B-1.5 Local over Stream is a concrete culvert carrying B-1.5 Local over Stream in Ottawa County, Kansas. It was built in 1960, so it is 65 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 25 vehicles a day, projected to reach 25 by 2044. The structure is 21 ft (6.3 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesB-1.5 Local
CrossesStream
Location8.0W 1.5N of Delphos
RouteCounty Highway 0
CountyOttawa County
StateKansas
Coordinates39.30019, -97.91075
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.3 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 traffic25 (2001)
Projected traffic25 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 B-1.5 Local over Stream built?

It was built in 1960, making it 65 years old in 2025.

What condition is B-1.5 Local over Stream in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

How much traffic does B-1.5 Local over Stream carry?

About 25 vehicles per day (2001 count).

How long is B-1.5 Local over Stream?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns B-1.5 Local over Stream?

It is owned by the County Highway Agency.