US Bridges

311th Street over Stream

Good

Miami County, Kansas · 0.6S 7.1E of Paola · Structure no. 000000000610620

Built
1997
28 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
40 ft
1 main span
Daily traffic
1,378
2011 count
Owner
County
County Highway Agency

About this bridge

311th Street over Stream is a wood or timber stringer/multi-beam or girder carrying 311th Street over Stream in Miami County, Kansas. It was built in 1997, so it is 28 years old, younger 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 1,378 vehicles a day, roughly 10% of them trucks, projected to reach 2,570 by 2043. The structure is 40 ft (12.2 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries311th Street
CrossesStream
Location0.6S 7.1E of Paola
RouteCounty Highway 1705
CountyMiami County
StateKansas
Coordinates38.56369, -94.74579
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating20 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span37 ft (11.3 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic1,378 (2011)
Projected traffic2,570 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 311th Street over Stream built?

It was built in 1997, making it 28 years old in 2025.

What condition is 311th Street over Stream 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 Stream carry?

About 1,378 vehicles per day (2011 count), of which roughly 10% are trucks.

How long is 311th Street over Stream?

The structure is 40 ft (12.2 m) long with a longest span of 37 ft (11.3 m) and a deck 30 ft wide.

Who owns 311th Street over Stream?

It is owned by the County Highway Agency.