US Bridges

RD 270 937.9-500.0 over Allen Creek

FairPosted for load

Lyon County, Kansas · 3.0N 2.0E of Americus · Structure no. 000560937905000

Built
1968
57 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
153 ft
3 main spans
Daily traffic
80
2007 count
Owner
County
County Highway Agency

About this bridge

RD 270 937.9-500.0 over Allen Creek is a steel continuous stringer/multi-beam or girder carrying RD 270 937.9-500.0 over Allen Creek in Lyon County, Kansas. It was built in 1968, so it is 57 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 6 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 80 vehicles a day, projected to reach 85 by 2043. The structure is 153 ft (46.5 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesRD 270 937.9-500.0
CrossesAllen Creek
Location3.0N 2.0E of Americus
RouteCounty Highway 5622
CountyLyon County
StateKansas
Coordinates38.54989, -96.22667
Functional classRural Minor 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating23 US tons
Inventory rating13.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length153 ft (46.5 m)
Longest span59 ft (17.9 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic80 (2007)
Projected traffic85 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$240,000
NavigationNo navigation control on waterway

Frequently asked questions

When was RD 270 937.9-500.0 over Allen Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is RD 270 937.9-500.0 over Allen Creek 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 March 2023.

How much traffic does RD 270 937.9-500.0 over Allen Creek carry?

About 80 vehicles per day (2007 count).

How long is RD 270 937.9-500.0 over Allen Creek?

The structure is 153 ft (46.5 m) long with a longest span of 59 ft (17.9 m) and a deck 26 ft wide.

Who owns RD 270 937.9-500.0 over Allen Creek?

It is owned by the County Highway Agency.