US Bridges

K30 HWY over Drainage Ditch

Fair

Wabaunsee County, Kansas · 1.22 MI N I70 · Structure no. 999903000990701

Built
1976
49 years old, rebuilt 1991
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
38 ft
1 main span
Daily traffic
1,077
2023 count
Owner
State
State Highway Agency

About this bridge

K30 HWY over Drainage Ditch is a steel stringer/multi-beam or girder carrying K30 HWY over Drainage Ditch in Wabaunsee County, Kansas. It was built in 1976 and reconstructed in 1991, 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,077 vehicles a day, roughly 7% of them trucks, projected to reach 1,238 by 2044. The structure is 38 ft (11.6 m) long and 27 ft wide. If it were closed, the detour would be 28 mi (45 km).

Location

Open in Google Maps
CarriesK30 HWY
CrossesDrainage Ditch
Location1.22 MI N I70
RouteState Highway 30
CountyWabaunsee County
StateKansas
Coordinates39.07611, -96.03917
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating51.4 US tons
Inventory rating31 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadH 20
Structure length38 ft (11.6 m)
Longest span34 ft (10.4 m)
Deck width27 ft (8.1 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,077 (2023)
Projected traffic1,238 by 2044
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 km)
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 K30 HWY over Drainage Ditch built?

It was built in 1976, making it 49 years old in 2025. It was reconstructed in 1991.

What condition is K30 HWY over Drainage Ditch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2025.

How much traffic does K30 HWY over Drainage Ditch carry?

About 1,077 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is K30 HWY over Drainage Ditch?

The structure is 38 ft (11.6 m) long with a longest span of 34 ft (10.4 m) and a deck 27 ft wide.

Who owns K30 HWY over Drainage Ditch?

It is owned by the State Highway Agency.