US Bridges

29th. Ave. over Trib. N. Cottonwood Riv.

FairPosted for load

McPherson County, Kansas · 2.0E 3.1N of Canton · Structure no. 000590815005163

Built
1951
74 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
47 ft
3 main spans
Daily traffic
30
2020 count
Owner
County
County Highway Agency

About this bridge

29th. Ave. over Trib. N. Cottonwood Riv. is a wood or timber stringer/multi-beam or girder carrying 29th. Ave. over Trib. N. Cottonwood Riv. in McPherson County, Kansas. It was built in 1951, so it is 74 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 30 vehicles a day, roughly 6% of them trucks, projected to reach 38 by 2040. The structure is 47 ft (14.2 m) long and 19 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries29th. Ave.
CrossesTrib. N. Cottonwood Riv.
Location2.0E 3.1N of Canton
RouteCounty Highway 0
CountyMcPherson County
StateKansas
Coordinates38.43118, -97.3899
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
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 inspectionApril 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.1 US tons
Inventory rating20.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadUnknown
Structure length47 ft (14.2 m)
Longest span15 ft (4.6 m)
Deck width19 ft (5.9 m)
Roadway width19 ft (5.7 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic30 (2020)
Projected traffic38 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$85,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 29th. Ave. over Trib. N. Cottonwood Riv. built?

It was built in 1951, making it 74 years old in 2025.

What condition is 29th. Ave. over Trib. N. Cottonwood Riv. 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 April 2023.

How much traffic does 29th. Ave. over Trib. N. Cottonwood Riv. carry?

About 30 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is 29th. Ave. over Trib. N. Cottonwood Riv.?

The structure is 47 ft (14.2 m) long with a longest span of 15 ft (4.6 m) and a deck 19 ft wide.

Who owns 29th. Ave. over Trib. N. Cottonwood Riv.?

It is owned by the County Highway Agency.