US Bridges

Rs 285 - Road 6.5 over Overflow Channel

GoodPosted for load

Gray County, Kansas · 0.8S of Charleston · Structure no. 000000000350060

Built
1961
64 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
145
2018 count
Owner
County
County Highway Agency

About this bridge

Rs 285 - Road 6.5 over Overflow Channel is a concrete culvert carrying Rs 285 - Road 6.5 over Overflow Channel in Gray County, Kansas. It was built in 1961, so it is 64 years old, older 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 145 vehicles a day, roughly 10% of them trucks, projected to reach 175 by 2041. The structure is 31 ft (9.4 m) long and 28 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

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CarriesRs 285 - Road 6.5
CrossesOverflow Channel
Location0.8S of Charleston
RouteCounty Highway 285
CountyGray County
StateKansas
Coordinates37.85441, -100.56492
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36.9 US tons
Inventory rating22 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 10
Structure length31 ft (9.4 m)
Longest span11 ft (3.5 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic145 (2018)
Projected traffic175 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 Rs 285 - Road 6.5 over Overflow Channel built?

It was built in 1961, making it 64 years old in 2025.

What condition is Rs 285 - Road 6.5 over Overflow Channel 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 Rs 285 - Road 6.5 over Overflow Channel carry?

About 145 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is Rs 285 - Road 6.5 over Overflow Channel?

The structure is 31 ft (9.4 m) long with a longest span of 11 ft (3.5 m) and a deck 28 ft wide.

Who owns Rs 285 - Road 6.5 over Overflow Channel?

It is owned by the County Highway Agency.