US Bridges

Rs 643 E 50th N over At & Sf Railroad

PoorPosted for load

Sumner County, Kansas · 3.0S 2.4E of Riverdale · Structure no. 000000000960425

Built
1967
58 years old
Condition
Poor
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
204 ft
3 main spans
Daily traffic
135
2013 count
Owner
County
County Highway Agency

About this bridge

Rs 643 E 50th N over At & Sf Railroad is a steel continuous stringer/multi-beam or girder carrying Rs 643 E 50th N over At & Sf Railroad in Sumner County, Kansas. It was built in 1967, so it is 58 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. Its operating status is: posted for load restriction.

It carries about 135 vehicles a day, roughly 1% of them trucks, projected to reach 144 by 2043. The structure is 204 ft (62.1 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRs 643 E 50th N
CrossesAt & Sf Railroad
Location3.0S 2.4E of Riverdale
RouteCounty Highway 425
CountySumner County
StateKansas
Coordinates37.33369, -97.34078
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.4 US tons
Inventory rating20.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length204 ft (62.1 m)
Longest span68 ft (20.6 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic135 (2013)
Projected traffic144 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Rs 643 E 50th N over At & Sf Railroad built?

It was built in 1967, making it 58 years old in 2025.

What condition is Rs 643 E 50th N over At & Sf Railroad 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 April 2023.

How much traffic does Rs 643 E 50th N over At & Sf Railroad carry?

About 135 vehicles per day (2013 count), of which roughly 1% are trucks.

How long is Rs 643 E 50th N over At & Sf Railroad?

The structure is 204 ft (62.1 m) long with a longest span of 68 ft (20.6 m) and a deck 28 ft wide.

Who owns Rs 643 E 50th N over At & Sf Railroad?

It is owned by the County Highway Agency.