US Bridges

Ninth Street over West Branch Walnut River

Good

Butler County, Kansas · 300 Ft W US 77 El Dorado · Structure no. 507800080000009

Built
1973
52 years old, rebuilt 2007
Condition
Good
inspected February 2023
Type
Slab
Concrete Continuous
Length
142 ft
3 main spans
Daily traffic
590
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ninth Street over West Branch Walnut River is a concrete continuous slab carrying Ninth Street over West Branch Walnut River in Butler County, Kansas. It was built in 1973 and reconstructed in 2007, 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.

It carries about 590 vehicles a day, roughly 1% of them trucks, projected to reach 300 by 2043. The structure is 142 ft (43.4 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNinth Street
CrossesWest Branch Walnut River
Location300 Ft W US 77 El Dorado
RouteCity Street 0
StateKansas
Coordinates37.8291, -96.84986
Functional classUrban 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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length142 ft (43.4 m)
Longest span56 ft (17 m)
Deck width44 ft (13.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic590 (2019)
Projected traffic300 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 West Branch Walnut River built?

It was built in 1973, making it 52 years old in 2025. It was reconstructed in 2007.

What condition is Ninth Street over West Branch Walnut River 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 February 2023.

How much traffic does Ninth Street over West Branch Walnut River carry?

About 590 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is Ninth Street over West Branch Walnut River?

The structure is 142 ft (43.4 m) long with a longest span of 56 ft (17 m) and a deck 44 ft wide.

Who owns Ninth Street over West Branch Walnut River?

It is owned by the City or Municipal Highway Agency.