US Bridges

120 Road over West Beaver Creek

PoorPosted for load

Smith County, Kansas · 5.4N 0.8W of Athol · Structure no. 000920651303220

Built
1969
56 years old
Condition
Poor
inspected February 2023
Type
Girder and Floorbeam System
Steel
Length
30 ft
1 main span
Daily traffic
30
2020 count
Owner
County
County Highway Agency

About this bridge

120 Road over West Beaver Creek is a steel girder and floorbeam system carrying 120 Road over West Beaver Creek in Smith County, Kansas. It was built in 1969, so it is 56 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. Its operating status is: posted for load restriction.

It carries about 30 vehicles a day, projected to reach 30 by 2043. The structure is 30 ft (9.2 m) long and 16 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries120 Road
CrossesWest Beaver Creek
Location5.4N 0.8W of Athol
RouteCounty Highway 0
StateKansas
Coordinates39.84389, -98.92972
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 inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating10.9 US tons
Inventory rating6.5 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length30 ft (9.2 m)
Longest span29 ft (8.8 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic30 (2020)
Projected traffic30 by 2043
Trucks0%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$300,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 120 Road over West Beaver Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is 120 Road over West Beaver Creek 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 February 2023.

How much traffic does 120 Road over West Beaver Creek carry?

About 30 vehicles per day (2020 count).

How long is 120 Road over West Beaver Creek?

The structure is 30 ft (9.2 m) long with a longest span of 29 ft (8.8 m) and a deck 16 ft wide.

Who owns 120 Road over West Beaver Creek?

It is owned by the County Highway Agency.