US Bridges

Idaho RD 10.8-O.0 over Stream

Fair

Allen County, Kansas · 5.3E 1.5N of Humboldt · Structure no. 000011035805980

Built
1935
90 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete
Length
30 ft
3 main spans
Daily traffic
30
2006 count
Owner
County
County Highway Agency

About this bridge

Idaho RD 10.8-O.0 over Stream is a concrete slab carrying Idaho RD 10.8-O.0 over Stream in Allen County, Kansas. It was built in 1935, so it is 90 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.

It carries about 30 vehicles a day, projected to reach 30 by 2044. The structure is 30 ft (9.1 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesIdaho RD 10.8-O.0
CrossesStream
Location5.3E 1.5N of Humboldt
RouteCounty Highway 0
CountyAllen County
StateKansas
Coordinates37.83472, -95.34056
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span9 ft (2.7 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 traffic30 (2006)
Projected traffic30 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Idaho RD 10.8-O.0 over Stream built?

It was built in 1935, making it 90 years old in 2025.

What condition is Idaho RD 10.8-O.0 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 Idaho RD 10.8-O.0 over Stream carry?

About 30 vehicles per day (2006 count).

How long is Idaho RD 10.8-O.0 over Stream?

The structure is 30 ft (9.1 m) long with a longest span of 9 ft (2.7 m) and a deck 26 ft wide.

Who owns Idaho RD 10.8-O.0 over Stream?

It is owned by the County Highway Agency.