US Bridges

RD 290 (11.0-G.8) over Allen Creek

Fair

Lyon County, Kansas · 1.0S 3.0W of Allen · Structure no. 000000000560390

Built
1948
77 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
129 ft
3 main spans
Daily traffic
46
2007 count
Owner
County
County Highway Agency

About this bridge

RD 290 (11.0-G.8) over Allen Creek is a steel continuous stringer/multi-beam or girder carrying RD 290 (11.0-G.8) over Allen Creek in Lyon County, Kansas. It was built in 1948, so it is 77 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 46 vehicles a day, projected to reach 50 by 2043. The structure is 129 ft (39.3 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesRD 290 (11.0-G.8)
CrossesAllen Creek
Location1.0S 3.0W of Allen
RouteCounty Highway 821
CountyLyon County
StateKansas
Coordinates38.57906, -96.22886
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.6 US tons
Inventory rating21.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 10
Structure length129 ft (39.3 m)
Longest span48 ft (14.6 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic46 (2007)
Projected traffic50 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$247,000
NavigationNo navigation control on waterway

Frequently asked questions

When was RD 290 (11.0-G.8) over Allen Creek built?

It was built in 1948, making it 77 years old in 2025.

What condition is RD 290 (11.0-G.8) 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 February 2023.

How much traffic does RD 290 (11.0-G.8) over Allen Creek carry?

About 46 vehicles per day (2007 count).

How long is RD 290 (11.0-G.8) over Allen Creek?

The structure is 129 ft (39.3 m) long with a longest span of 48 ft (14.6 m) and a deck 27 ft wide.

Who owns RD 290 (11.0-G.8) over Allen Creek?

It is owned by the County Highway Agency.