US Bridges

Sd. RD Lt over Fort Aubrey Ditch

Good

Hamilton County, Kansas · 1.64 MI E K27 · Structure no. 999905000380231

Built
1961
64 years old, rebuilt 2000
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
135
2023 count
Owner
State
State Highway Agency

About this bridge

Sd. RD Lt over Fort Aubrey Ditch is a concrete culvert carrying Sd. RD Lt over Fort Aubrey Ditch in Hamilton County, Kansas. It was built in 1961 and reconstructed in 2000, 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.

It carries about 135 vehicles a day, roughly 2% of them trucks. The structure is 21 ft (6.3 m) long and 49 ft wide.

Location

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CarriesSd. RD Lt
CrossesFort Aubrey Ditch
Location1.64 MI E K27
RouteCounty Highway 3813
CountyHamilton County
StateKansas
Coordinates37.97278, -101.72417
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating39 US tons
Inventory rating23 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width49 ft (14.8 m)
Roadway width49 ft (14.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic135 (2023)
Projected traffic—
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Sd. RD Lt over Fort Aubrey Ditch built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2000.

What condition is Sd. RD Lt over Fort Aubrey Ditch 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 May 2023.

How much traffic does Sd. RD Lt over Fort Aubrey Ditch carry?

About 135 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Sd. RD Lt over Fort Aubrey Ditch?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m) and a deck 49 ft wide.

Who owns Sd. RD Lt over Fort Aubrey Ditch?

It is owned by the State Highway Agency.