US Bridges

50th RD over Unnamed Stream

FairPosted for load

Lincoln County, Kansas · 1.0W 3.7S of Sylvan Grove · Structure no. 000530705004441

Built
1960
65 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
54 ft
3 main spans
Daily traffic
45
2022 count
Owner
County
County Highway Agency

About this bridge

50th RD over Unnamed Stream is a steel stringer/multi-beam or girder carrying 50th RD over Unnamed Stream in Lincoln County, Kansas. It was built in 1960, so it is 65 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 45 vehicles a day, roughly 5% of them trucks, projected to reach 55 by 2044. The structure is 54 ft (16.5 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
Carries50th RD
CrossesUnnamed Stream
Location1.0W 3.7S of Sylvan Grove
RouteCounty Highway 0
CountyLincoln County
StateKansas
Coordinates38.95536, -98.41171
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating7.1 US tons
Inventory rating7.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length54 ft (16.5 m)
Longest span17 ft (5.3 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic45 (2022)
Projected traffic55 by 2044
Trucks5%
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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 50th RD over Unnamed Stream built?

It was built in 1960, making it 65 years old in 2025.

What condition is 50th RD over Unnamed 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 50th RD over Unnamed Stream carry?

About 45 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is 50th RD over Unnamed Stream?

The structure is 54 ft (16.5 m) long with a longest span of 17 ft (5.3 m) and a deck 24 ft wide.

Who owns 50th RD over Unnamed Stream?

It is owned by the County Highway Agency.