US Bridges

RD 300 (G.5-300) over Allen Creek

Good

Lyon County, Kansas · 3.5S 1.0E of Bushong · Structure no. 000560937704940

Built
1987
38 years old
Condition
Good
inspected February 2023
Type
Slab
Concrete Continuous
Length
104 ft
3 main spans
Daily traffic
10
2007 count
Owner
County
County Highway Agency

About this bridge

RD 300 (G.5-300) over Allen Creek is a concrete continuous slab carrying RD 300 (G.5-300) over Allen Creek in Lyon County, Kansas. It was built in 1987, so it is 38 years old, younger than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10 vehicles a day, projected to reach 10 by 2043. The structure is 104 ft (31.6 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesRD 300 (G.5-300)
CrossesAllen Creek
Location3.5S 1.0E of Bushong
RouteCounty Highway 0
CountyLyon County
StateKansas
Coordinates38.59356, -96.23236
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.1 US tons
Inventory rating43.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length104 ft (31.6 m)
Longest span41 ft (12.4 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 traffic10 (2007)
Projected traffic10 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$164,000
NavigationNo navigation control on waterway

Frequently asked questions

When was RD 300 (G.5-300) over Allen Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is RD 300 (G.5-300) over Allen Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2023.

How much traffic does RD 300 (G.5-300) over Allen Creek carry?

About 10 vehicles per day (2007 count).

How long is RD 300 (G.5-300) over Allen Creek?

The structure is 104 ft (31.6 m) long with a longest span of 41 ft (12.4 m) and a deck 26 ft wide.

Who owns RD 300 (G.5-300) over Allen Creek?

It is owned by the County Highway Agency.