US Bridges

Rock Bridge Road over Drainage Ditch

Good

Barton County, Kansas · Rock Bridge Road · Structure no. 510900050000001

Built
1976
49 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
20 ft
1 main span
Daily traffic
205
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Rock Bridge Road over Drainage Ditch is a concrete culvert carrying Rock Bridge Road over Drainage Ditch in Barton County, Kansas. It was built in 1976, so it is 49 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 205 vehicles a day, projected to reach 246 by 2043. The structure is 20 ft (6.2 m) long and 44 ft wide.

Location

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CarriesRock Bridge Road
CrossesDrainage Ditch
LocationRock Bridge Road
RouteCity Street 0
CountyBarton County
StateKansas
Coordinates38.37925, -98.79875
Functional classUrban Local

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating47.6 US tons
Inventory rating28 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length20 ft (6.2 m)
Longest span20 ft (6.1 m)
Deck width44 ft (13.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic205 (2022)
Projected traffic246 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Rock Bridge Road over Drainage Ditch built?

It was built in 1976, making it 49 years old in 2025.

What condition is Rock Bridge Road over Drainage 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 March 2023.

How much traffic does Rock Bridge Road over Drainage Ditch carry?

About 205 vehicles per day (2022 count).

How long is Rock Bridge Road over Drainage Ditch?

The structure is 20 ft (6.2 m) long with a longest span of 20 ft (6.1 m) and a deck 44 ft wide.

Who owns Rock Bridge Road over Drainage Ditch?

It is owned by the City or Municipal Highway Agency.