US Bridges

Rs 2105 over Walnut Creek

PoorPosted for load

Atchison County, Kansas · 3.5S of Atchison · Structure no. 000000000030530

Built
1922
103 years old, rebuilt 1955
Condition
Poor
inspected July 2024
Type
Slab
Concrete
Length
43 ft
1 main span
Daily traffic
108
2007 count
Owner
County
County Highway Agency

About this bridge

Rs 2105 over Walnut Creek is a concrete slab carrying Rs 2105 over Walnut Creek in Atchison County, Kansas. It was built in 1922 and reconstructed in 1955, so it is 103 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 108 vehicles a day, roughly 11% of them trucks, projected to reach 216 by 2042. The structure is 43 ft (13.2 m) long and 33 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesRs 2105
CrossesWalnut Creek
Location3.5S of Atchison
RouteCounty Highway 2105
StateKansas
Coordinates39.49077, -95.09544
Functional classRural Major Collector

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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.3 US tons
Inventory rating24.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length43 ft (13.2 m)
Longest span42 ft (12.7 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic108 (2007)
Projected traffic216 by 2042
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
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 Rs 2105 over Walnut Creek built?

It was built in 1922, making it 103 years old in 2025. It was reconstructed in 1955.

What condition is Rs 2105 over 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 Rs 2105 over Walnut Creek carry?

About 108 vehicles per day (2007 count), of which roughly 11% are trucks.

How long is Rs 2105 over Walnut Creek?

The structure is 43 ft (13.2 m) long with a longest span of 42 ft (12.7 m) and a deck 33 ft wide.

Who owns Rs 2105 over Walnut Creek?

It is owned by the County Highway Agency.