US Bridges

330th ST (7-Z.8) over Verdigris River

FairPosted for load

Greenwood County, Kansas · 3.0S 4.8E of Madison · Structure no. 000370957805640

Built
1987
38 years old
Condition
Fair
inspected June 2023
Type
Culvert
Steel
Length
80 ft
6 main spans
Daily traffic
20
2006 count
Owner
County
County Highway Agency

About this bridge

330th ST (7-Z.8) over Verdigris River is a steel culvert carrying 330th ST (7-Z.8) over Verdigris River in Greenwood 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 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. Its operating status is: posted for load restriction.

It carries about 20 vehicles a day, roughly 10% of them trucks, projected to reach 20 by 2043. The structure is 80 ft (24.5 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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Carries330th ST (7-Z.8)
CrossesVerdigris River
Location3.0S 4.8E of Madison
RouteCounty Highway 0
CountyGreenwood County
StateKansas
Coordinates38.0845, -96.05092
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating5 US tons
Inventory rating2.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans6
Design loadUnknown
Structure length80 ft (24.5 m)
Longest span10 ft (2.9 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic20 (2006)
Projected traffic20 by 2043
Trucks10%
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 330th ST (7-Z.8) over Verdigris River built?

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

What condition is 330th ST (7-Z.8) over Verdigris River 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 June 2023.

How much traffic does 330th ST (7-Z.8) over Verdigris River carry?

About 20 vehicles per day (2006 count), of which roughly 10% are trucks.

How long is 330th ST (7-Z.8) over Verdigris River?

The structure is 80 ft (24.5 m) long with a longest span of 10 ft (2.9 m) and a deck 24 ft wide.

Who owns 330th ST (7-Z.8) over Verdigris River?

It is owned by the County Highway Agency.