US Bridges

120th ST over Trib. to Neosho River

Fair

Cherokee County, Kansas · 3.0W 0.8S of Hallowell · Structure no. 000111069006888

Built
1936
89 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
23 ft
3 main spans
Daily traffic
180
2007 count
Owner
County
County Highway Agency

About this bridge

120th ST over Trib. to Neosho River is a concrete culvert carrying 120th ST over Trib. to Neosho River in Cherokee County, Kansas. It was built in 1936, so it is 89 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 180 vehicles a day, roughly 5% of them trucks, projected to reach 215 by 2043. The structure is 23 ft (7.1 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Carries120th ST
CrossesTrib. to Neosho River
Location3.0W 0.8S of Hallowell
RouteCounty Highway 1112
StateKansas
Coordinates37.16796, -95.05004
Functional classRural Minor Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to 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 spans3
Design loadUnknown
Structure length23 ft (7.1 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic180 (2007)
Projected traffic215 by 2043
Trucks5%
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 120th ST over Trib. to Neosho River built?

It was built in 1936, making it 89 years old in 2025.

What condition is 120th ST over Trib. to Neosho River 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 September 2023.

How much traffic does 120th ST over Trib. to Neosho River carry?

About 180 vehicles per day (2007 count), of which roughly 5% are trucks.

How long is 120th ST over Trib. to Neosho River?

The structure is 23 ft (7.1 m) long with a longest span of 7 ft (2.1 m).

Who owns 120th ST over Trib. to Neosho River?

It is owned by the County Highway Agency.