US Bridges

311th Street over South Wea Creek

Good

Miami County, Kansas · 0.6S 6.0E of Paola · Structure no. 000000000610610

Built
1955
70 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
26 ft
1 main span
Daily traffic
1,185
2011 count
Owner
County
County Highway Agency

About this bridge

311th Street over South Wea Creek is a concrete culvert carrying 311th Street over South Wea Creek in Miami County, Kansas. It was built in 1955, so it is 70 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,185 vehicles a day, roughly 10% of them trucks, projected to reach 2,761 by 2043. The structure is 26 ft (7.9 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries311th Street
CrossesSouth Wea Creek
Location0.6S 6.0E of Paola
RouteCounty Highway 1705
StateKansas
Coordinates38.5636, -94.76482
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46 US tons
Inventory rating31 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 15
Structure length26 ft (7.9 m)
Longest span26 ft (7.9 m)
Deck width29 ft (8.7 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic1,185 (2011)
Projected traffic2,761 by 2043
Trucks10%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 311th Street over South Wea Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is 311th Street over South Wea Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does 311th Street over South Wea Creek carry?

About 1,185 vehicles per day (2011 count), of which roughly 10% are trucks.

How long is 311th Street over South Wea Creek?

The structure is 26 ft (7.9 m) long with a longest span of 26 ft (7.9 m) and a deck 29 ft wide.

Who owns 311th Street over South Wea Creek?

It is owned by the County Highway Agency.