US Bridges

120 Road over Dry Walnut Creek

FairPosted for load

Pawnee County, Kansas · 10.0N 0.5W of Larned · Structure no. 000730629005287

Built
1935
90 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
63 ft
3 main spans
Daily traffic
25
2021 count
Owner
County
County Highway Agency

About this bridge

120 Road over Dry Walnut Creek is a steel continuous stringer/multi-beam or girder carrying 120 Road over Dry Walnut Creek in Pawnee 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 25 vehicles a day, roughly 5% of them trucks, projected to reach 30 by 2044. The structure is 63 ft (19.2 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries120 Road
CrossesDry Walnut Creek
Location10.0N 0.5W of Larned
RouteCounty Highway 0
StateKansas
Coordinates38.33833, -99.10637
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36.5 US tons
Inventory rating21.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length63 ft (19.2 m)
Longest span25 ft (7.6 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic25 (2021)
Projected traffic30 by 2044
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 120 Road over Dry Walnut Creek built?

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

What condition is 120 Road over Dry Walnut Creek 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 January 2024.

How much traffic does 120 Road over Dry Walnut Creek carry?

About 25 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is 120 Road over Dry Walnut Creek?

The structure is 63 ft (19.2 m) long with a longest span of 25 ft (7.6 m) and a deck 23 ft wide.

Who owns 120 Road over Dry Walnut Creek?

It is owned by the County Highway Agency.