US Bridges

30th Rd. (rs 442) over Trib Nfb Vermillion Riv.

FairPosted for load

Marshall County, Kansas · 5.0N 0.5E of Vermillion · Structure no. 000000000580340

Built
1993
32 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
30 ft
1 main span
Daily traffic
169
2007 count
Owner
County
County Highway Agency

About this bridge

30th Rd. (rs 442) over Trib Nfb Vermillion Riv. is a concrete stringer/multi-beam or girder carrying 30th Rd. (rs 442) over Trib Nfb Vermillion Riv. in Marshall County, Kansas. It was built in 1993, so it is 32 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 169 vehicles a day, roughly 11% of them trucks, projected to reach 169 by 2043. The structure is 30 ft (9.1 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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Carries30th Rd. (rs 442)
CrossesTrib Nfb Vermillion Riv.
Location5.0N 0.5E of Vermillion
RouteCounty Highway 442
CountyMarshall County
StateKansas
Coordinates39.79553, -96.25838
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 protection5 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 within limits of footing or piles
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.3 US tons
Inventory rating30.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width26 ft (7.8 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic169 (2007)
Projected traffic169 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$65,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 30th Rd. (rs 442) over Trib Nfb Vermillion Riv. built?

It was built in 1993, making it 32 years old in 2025.

What condition is 30th Rd. (rs 442) over Trib Nfb Vermillion Riv. 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 30th Rd. (rs 442) over Trib Nfb Vermillion Riv. carry?

About 169 vehicles per day (2007 count), of which roughly 11% are trucks.

How long is 30th Rd. (rs 442) over Trib Nfb Vermillion Riv.?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 26 ft wide.

Who owns 30th Rd. (rs 442) over Trib Nfb Vermillion Riv.?

It is owned by the County Highway Agency.