US Bridges

Local Rd. 23.9-F.9 over Walnut Creek

FairPosted for load

Atchison County, Kansas · 2.5N of St. Pats · Structure no. 000031053903681

Built
1935
90 years old
Condition
Fair
inspected July 2024
Type
Truss - Thru
Steel
Length
72 ft
1 main span
Daily traffic
10
2007 count
Owner
County
County Highway Agency

About this bridge

Local Rd. 23.9-F.9 over Walnut Creek is a steel truss - thru carrying Local Rd. 23.9-F.9 over Walnut Creek in Atchison 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 10 vehicles a day, projected to reach 15 by 2042. The structure is 72 ft (21.9 m) long and 16 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesLocal Rd. 23.9-F.9
CrossesWalnut Creek
Location2.5N of St. Pats
RouteCounty Highway 0
CountyAtchison County
StateKansas
Coordinates39.50559, -95.14404
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating9.7 US tons
Inventory rating7.6 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+1 approach)
Design loadUnknown
Structure length72 ft (21.9 m)
Longest span50 ft (15.2 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic10 (2007)
Projected traffic15 by 2042
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$390,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Local Rd. 23.9-F.9 over Walnut Creek built?

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

What condition is Local Rd. 23.9-F.9 over 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 July 2024.

How much traffic does Local Rd. 23.9-F.9 over Walnut Creek carry?

About 10 vehicles per day (2007 count).

How long is Local Rd. 23.9-F.9 over Walnut Creek?

The structure is 72 ft (21.9 m) long with a longest span of 50 ft (15.2 m) and a deck 16 ft wide.

Who owns Local Rd. 23.9-F.9 over Walnut Creek?

It is owned by the County Highway Agency.