US Bridges

Antonino Road over Smoky Hill Tributary

Poor

Ellis County, Kansas · 1.9E of Antonino · Structure no. 000000000260250

Built
1940
85 years old
Condition
Poor
inspected November 2024
Type
Slab
Concrete Continuous
Length
49 ft
4 main spans
Daily traffic
385
2020 count
Owner
County
County Highway Agency

About this bridge

Antonino Road over Smoky Hill Tributary is a concrete continuous slab carrying Antonino Road over Smoky Hill Tributary in Ellis County, Kansas. It was built in 1940, so it is 85 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 385 vehicles a day, roughly 10% of them trucks, projected to reach 400 by 2044. The structure is 49 ft (14.9 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesAntonino Road
CrossesSmoky Hill Tributary
Location1.9E of Antonino
RouteCounty Highway 232
StateKansas
Coordinates38.78392, -99.35761
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating26.8 US tons
Inventory rating21.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length49 ft (14.9 m)
Longest span12 ft (3.6 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic385 (2020)
Projected traffic400 by 2044
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Antonino Road over Smoky Hill Tributary built?

It was built in 1940, making it 85 years old in 2025.

What condition is Antonino Road over Smoky Hill Tributary in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

How much traffic does Antonino Road over Smoky Hill Tributary carry?

About 385 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Antonino Road over Smoky Hill Tributary?

The structure is 49 ft (14.9 m) long with a longest span of 12 ft (3.6 m) and a deck 29 ft wide.

Who owns Antonino Road over Smoky Hill Tributary?

It is owned by the County Highway Agency.