US Bridges

Magnolia Road over Smoky Hill River

Fair

Saline County, Kansas · 2.3 E of I-135 · Structure no. 000000000851000

Built
1958
67 years old
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
222 ft
3 main spans
Daily traffic
3,900
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Magnolia Road over Smoky Hill River is a concrete continuous box beam or girders - multiple carrying Magnolia Road over Smoky Hill River in Saline County, Kansas. It was built in 1958, so it is 67 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,900 vehicles a day, roughly 6% of them trucks, projected to reach 3,900 by 2043. The structure is 222 ft (67.7 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMagnolia Road
CrossesSmoky Hill River
Location2.3 E of I-135
RouteCity Street 0
StateKansas
Coordinates38.79822, -97.57501
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.2 US tons
Inventory rating18.1 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length222 ft (67.7 m)
Longest span85 ft (25.9 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic3,900 (2023)
Projected traffic3,900 by 2043
Trucks6%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$424,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Magnolia Road over Smoky Hill River built?

It was built in 1958, making it 67 years old in 2025.

What condition is Magnolia Road over Smoky Hill River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2023.

How much traffic does Magnolia Road over Smoky Hill River carry?

About 3,900 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Magnolia Road over Smoky Hill River?

The structure is 222 ft (67.7 m) long with a longest span of 85 ft (25.9 m) and a deck 26 ft wide.

Who owns Magnolia Road over Smoky Hill River?

It is owned by the City or Municipal Highway Agency.