US Bridges

RD385 937.2-476.5 over Trib. to Bluff Creek

Good

Lyon County, Kansas · 4.0N 3.8W of Allen · Structure no. 000560937204765

Built
2024
1 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
52 ft
1 main span
Daily traffic
10
2024 count
Owner
County
County Highway Agency

About this bridge

RD385 937.2-476.5 over Trib. to Bluff Creek is a steel stringer/multi-beam or girder carrying RD385 937.2-476.5 over Trib. to Bluff Creek in Lyon County, Kansas. It was built in 2024, so it is 1 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, roughly 1% of them trucks, projected to reach 10 by 2044. The structure is 52 ft (15.8 m) long and 24 ft wide. If it were closed, the detour would be 198.8 mi (320 km).

Location

Open in Google Maps
CarriesRD385 937.2-476.5
CrossesTrib. to Bluff Creek
Location4.0N 3.8W of Allen
RouteCounty Highway 505
CountyLyon County
StateKansas
Coordinates38.71709, -96.23832
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 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating38.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHL 93
Structure length52 ft (15.8 m)
Longest span50 ft (15.2 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic10 (2024)
Projected traffic10 by 2044
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed198.8 mi (320 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was RD385 937.2-476.5 over Trib. to Bluff Creek built?

It was built in 2024, making it 1 years old in 2025.

What condition is RD385 937.2-476.5 over Trib. to Bluff 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 2025.

How much traffic does RD385 937.2-476.5 over Trib. to Bluff Creek carry?

About 10 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is RD385 937.2-476.5 over Trib. to Bluff Creek?

The structure is 52 ft (15.8 m) long with a longest span of 50 ft (15.2 m) and a deck 24 ft wide.

Who owns RD385 937.2-476.5 over Trib. to Bluff Creek?

It is owned by the County Highway Agency.