US Bridges

Local Rd. 29.8-C.5 over Trib. to Walnut Creek

PoorPosted for load

Atchison County, Kansas · 1.5N.W. of Oak Mills · Structure no. 000031065803745

Built
1948
77 years old
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
54 ft
1 main span
Daily traffic
5
2007 count
Owner
County
County Highway Agency

About this bridge

Local Rd. 29.8-C.5 over Trib. to Walnut Creek is a wood or timber stringer/multi-beam or girder carrying Local Rd. 29.8-C.5 over Trib. to Walnut Creek in Atchison County, Kansas. It was built in 1948, so it is 77 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 5 vehicles a day, projected to reach 10 by 2042. The structure is 54 ft (16.5 m) long and 14 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesLocal Rd. 29.8-C.5
CrossesTrib. to Walnut Creek
Location1.5N.W. of Oak Mills
RouteCounty Highway 0
CountyAtchison County
StateKansas
Coordinates39.45675, -95.05743
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
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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating24.6 US tons
Inventory rating18.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans1 (+2 approach)
Design loadHS 20
Structure length54 ft (16.5 m)
Longest span29 ft (8.8 m)
Deck width14 ft (4.4 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic5 (2007)
Projected traffic10 by 2042
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$305,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Local Rd. 29.8-C.5 over Trib. to Walnut Creek built?

It was built in 1948, making it 77 years old in 2025.

What condition is Local Rd. 29.8-C.5 over Trib. to Walnut 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 July 2024.

How much traffic does Local Rd. 29.8-C.5 over Trib. to Walnut Creek carry?

About 5 vehicles per day (2007 count).

How long is Local Rd. 29.8-C.5 over Trib. to Walnut Creek?

The structure is 54 ft (16.5 m) long with a longest span of 29 ft (8.8 m) and a deck 14 ft wide.

Who owns Local Rd. 29.8-C.5 over Trib. to Walnut Creek?

It is owned by the County Highway Agency.