US Bridges

400 RD 2.0-O.4 over Stream Lwc

Fair

Allen County, Kansas · 3.5W 1.0N of Humboldt · Structure no. 000011019005984

Built
1930
95 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete Continuous
Length
58 ft
2 main spans
Daily traffic
40
2006 count
Owner
County
County Highway Agency

About this bridge

400 RD 2.0-O.4 over Stream Lwc is a concrete continuous slab carrying 400 RD 2.0-O.4 over Stream Lwc in Allen County, Kansas. It was built in 1930, so it is 95 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 5 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 40 vehicles a day, projected to reach 40 by 2044. The structure is 58 ft (17.8 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries400 RD 2.0-O.4
CrossesStream Lwc
Location3.5W 1.0N of Humboldt
RouteCounty Highway 0
CountyAllen County
StateKansas
Coordinates37.82857, -95.50084
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 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 adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length58 ft (17.8 m)
Longest span11 ft (3.3 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic40 (2006)
Projected traffic40 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$50,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 400 RD 2.0-O.4 over Stream Lwc built?

It was built in 1930, making it 95 years old in 2025.

What condition is 400 RD 2.0-O.4 over Stream Lwc 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 June 2024.

How much traffic does 400 RD 2.0-O.4 over Stream Lwc carry?

About 40 vehicles per day (2006 count).

How long is 400 RD 2.0-O.4 over Stream Lwc?

The structure is 58 ft (17.8 m) long with a longest span of 11 ft (3.3 m) and a deck 24 ft wide.

Who owns 400 RD 2.0-O.4 over Stream Lwc?

It is owned by the County Highway Agency.