US Bridges

Rs 1715 20th RD over Stream

Fair

Lincoln County, Kansas · 6.5N 4.0W of Sylvan Grove · Structure no. 000000000530450

Built
1940
85 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
10
2022 count
Owner
County
County Highway Agency

About this bridge

Rs 1715 20th RD over Stream is a concrete continuous slab carrying Rs 1715 20th RD over Stream in Lincoln 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.

It carries about 10 vehicles a day, roughly 10% of them trucks, projected to reach 15 by 2044. The structure is 25 ft (7.6 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesRs 1715 20th RD
CrossesStream
Location6.5N 4.0W of Sylvan Grove
RouteCounty Highway 1715
CountyLincoln County
StateKansas
Coordinates39.11508, -98.46652
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span11 ft (3.5 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic10 (2022)
Projected traffic15 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Rs 1715 20th RD over Stream built?

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

What condition is Rs 1715 20th RD over Stream 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 October 2024.

How much traffic does Rs 1715 20th RD over Stream carry?

About 10 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Rs 1715 20th RD over Stream?

The structure is 25 ft (7.6 m) long with a longest span of 11 ft (3.5 m) and a deck 26 ft wide.

Who owns Rs 1715 20th RD over Stream?

It is owned by the County Highway Agency.