US Bridges

31st RD (30.0-U.0) over Black Vermillion River

Good

Marshall County, Kansas · 0.5S 1.5E of Vermillion · Structure no. 000580937003401

Built
2016
9 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
100 ft
1 main span
Daily traffic
10
2016 count
Owner
County
County Highway Agency

About this bridge

31st RD (30.0-U.0) over Black Vermillion River is a steel stringer/multi-beam or girder carrying 31st RD (30.0-U.0) over Black Vermillion River in Marshall County, Kansas. It was built in 2016, so it is 9 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10 vehicles a day, projected to reach 10 by 2043. The structure is 100 ft (30.5 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries31st RD (30.0-U.0)
CrossesBlack Vermillion River
Location0.5S 1.5E of Vermillion
RouteCounty Highway 1615
CountyMarshall County
StateKansas
Coordinates39.71014, -96.23971
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
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 statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating60.8 US tons
Inventory rating36.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length100 ft (30.5 m)
Longest span98 ft (30 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic10 (2016)
Projected traffic10 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 31st RD (30.0-U.0) over Black Vermillion River built?

It was built in 2016, making it 9 years old in 2025.

What condition is 31st RD (30.0-U.0) over Black Vermillion River 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 June 2023.

How much traffic does 31st RD (30.0-U.0) over Black Vermillion River carry?

About 10 vehicles per day (2016 count).

How long is 31st RD (30.0-U.0) over Black Vermillion River?

The structure is 100 ft (30.5 m) long with a longest span of 98 ft (30 m) and a deck 25 ft wide.

Who owns 31st RD (30.0-U.0) over Black Vermillion River?

It is owned by the County Highway Agency.