US Bridges

Walnut Street over Old Smoky Hill River

Good

Saline County, Kansas · 2.3 E of I-135 · Structure no. 525400850000006

Built
1999
26 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
89 ft
1 main span
Daily traffic
1,400
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Walnut Street over Old Smoky Hill River is a prestressed concrete stringer/multi-beam or girder carrying Walnut Street over Old Smoky Hill River in Saline County, Kansas. It was built in 1999, so it is 26 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 1,400 vehicles a day, roughly 5% of them trucks, projected to reach 1,400 by 2043. The structure is 89 ft (27 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWalnut Street
CrossesOld Smoky Hill River
Location2.3 E of I-135
RouteCity Street 0
StateKansas
Coordinates38.83832, -97.60319
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating105.1 US tons
Inventory rating46.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length89 ft (27 m)
Longest span86 ft (26.2 m)
Deck width42 ft (12.8 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic1,400 (2023)
Projected traffic1,400 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 Walnut Street over Old Smoky Hill River built?

It was built in 1999, making it 26 years old in 2025.

What condition is Walnut Street over Old Smoky Hill 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 November 2023.

How much traffic does Walnut Street over Old Smoky Hill River carry?

About 1,400 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Walnut Street over Old Smoky Hill River?

The structure is 89 ft (27 m) long with a longest span of 86 ft (26.2 m) and a deck 42 ft wide.

Who owns Walnut Street over Old Smoky Hill River?

It is owned by the City or Municipal Highway Agency.