US Bridges

Antonino Road over Smoky Hill Tributary

FairPosted for load

Ellis County, Kansas · 1.1E of Antonino · Structure no. 000000000260240

Built
1940
85 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
29 ft
1 main span
Daily traffic
385
2020 count
Owner
County
County Highway Agency

About this bridge

Antonino Road over Smoky Hill Tributary is a steel stringer/multi-beam or girder 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 385 vehicles a day, roughly 10% of them trucks, projected to reach 400 by 2044. The structure is 29 ft (8.7 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesAntonino Road
CrossesSmoky Hill Tributary
Location1.1E of Antonino
RouteCounty Highway 232
StateKansas
Coordinates38.78389, -99.37167
Functional classRural Major 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating21.9 US tons
Inventory rating13.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length29 ft (8.7 m)
Longest span26 ft (8 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (8 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$135,000
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 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 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 29 ft (8.7 m) long with a longest span of 26 ft (8 m) and a deck 28 ft wide.

Who owns Antonino Road over Smoky Hill Tributary?

It is owned by the County Highway Agency.