US Bridges

Ninth Street over County Line Channel

GoodPosted for load

Pottawatomie County, Kansas · S. Edge of St. Marys · Structure no. 000750953604109

Built
1973
52 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete Continuous
Length
127 ft
3 main spans
Daily traffic
180
2013 count
Owner
County
County Highway Agency

About this bridge

Ninth Street over County Line Channel is a concrete continuous slab carrying Ninth Street over County Line Channel in Pottawatomie County, Kansas. It was built in 1973, so it is 52 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. Its operating status is: posted for load restriction.

It carries about 180 vehicles a day, projected to reach 216 by 2043. The structure is 127 ft (38.7 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNinth Street
CrossesCounty Line Channel
LocationS. Edge of St. Marys
RouteCounty Highway 0
CountyPottawatomie County
StateKansas
Coordinates39.19016, -96.07975
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36.3 US tons
Inventory rating21.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length127 ft (38.7 m)
Longest span52 ft (15.7 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic180 (2013)
Projected traffic216 by 2043
Trucks0%
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 Ninth Street over County Line Channel built?

It was built in 1973, making it 52 years old in 2025.

What condition is Ninth Street over County Line Channel 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 September 2023.

How much traffic does Ninth Street over County Line Channel carry?

About 180 vehicles per day (2013 count).

How long is Ninth Street over County Line Channel?

The structure is 127 ft (38.7 m) long with a longest span of 52 ft (15.7 m) and a deck 30 ft wide.

Who owns Ninth Street over County Line Channel?

It is owned by the County Highway Agency.