US Bridges

RD 270 (L.7-270) over Dow Creek

GoodPosted for load

Lyon County, Kansas · 3.0N 5.5E of Americus · Structure no. 000560945505000

Built
1987
38 years old
Condition
Good
inspected February 2023
Type
Slab
Concrete Continuous
Length
103 ft
3 main spans
Daily traffic
30
2007 count
Owner
County
County Highway Agency

About this bridge

RD 270 (L.7-270) over Dow Creek is a concrete continuous slab carrying RD 270 (L.7-270) over Dow 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. Its operating status is: posted for load restriction.

It carries about 30 vehicles a day, projected to reach 30 by 2043. The structure is 103 ft (31.4 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesRD 270 (L.7-270)
CrossesDow Creek
Location3.0N 5.5E of Americus
RouteCounty Highway 5622
CountyLyon County
StateKansas
Coordinates38.54992, -96.15767
Functional classRural Minor Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating38 US tons
Inventory rating23 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length103 ft (31.4 m)
Longest span40 ft (12.3 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 traffic30 (2007)
Projected traffic30 by 2043
Trucks0%
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 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 RD 270 (L.7-270) over Dow Creek built?

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

What condition is RD 270 (L.7-270) over Dow 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 270 (L.7-270) over Dow Creek carry?

About 30 vehicles per day (2007 count).

How long is RD 270 (L.7-270) over Dow Creek?

The structure is 103 ft (31.4 m) long with a longest span of 40 ft (12.3 m) and a deck 26 ft wide.

Who owns RD 270 (L.7-270) over Dow Creek?

It is owned by the County Highway Agency.