US Bridges

Local 66-37-4 over Chikaskia River

Poor

Sumner County, Kansas · 3.0S 3.5W of South Haven · Structure no. 000960805407140

Built
1950
75 years old
Condition
Poor
inspected July 2024
Type
Slab
Concrete
Length
160 ft
8 main spans
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

Local 66-37-4 over Chikaskia River is a concrete slab carrying Local 66-37-4 over Chikaskia River in Sumner County, Kansas. It was built in 1950, so it is 75 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 80 by 2042. The structure is 160 ft (48.8 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesLocal 66-37-4
CrossesChikaskia River
Location3.0S 3.5W of South Haven
RouteCounty Highway 0
CountySumner County
StateKansas
Coordinates36.99862, -97.46562
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.7 US tons
Inventory rating25.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans8
Design loadHS 15
Structure length160 ft (48.8 m)
Longest span20 ft (6 m)
Deck width20 ft (6.1 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic50 (2022)
Projected traffic80 by 2042
Trucks10%
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 Local 66-37-4 over Chikaskia River built?

It was built in 1950, making it 75 years old in 2025.

What condition is Local 66-37-4 over Chikaskia River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does Local 66-37-4 over Chikaskia River carry?

About 50 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Local 66-37-4 over Chikaskia River?

The structure is 160 ft (48.8 m) long with a longest span of 20 ft (6 m) and a deck 20 ft wide.

Who owns Local 66-37-4 over Chikaskia River?

It is owned by the County Highway Agency.