US Bridges

Local Rd. M-1 over Black Vermillion River

Poor

Nemaha County, Kansas · 2.0W of Centralia · Structure no. 000660945003381

Built
1990
35 years old
Condition
Poor
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
77 ft
1 main span
Daily traffic
10
2008 count
Owner
County
County Highway Agency

About this bridge

Local Rd. M-1 over Black Vermillion River is a steel stringer/multi-beam or girder carrying Local Rd. M-1 over Black Vermillion River in Nemaha County, Kansas. It was built in 1990, so it is 35 years old, younger than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 10 vehicles a day, projected to reach 14 by 2044. The structure is 77 ft (23.5 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLocal Rd. M-1
CrossesBlack Vermillion River
Location2.0W of Centralia
RouteCounty Highway 0
StateKansas
Coordinates39.72378, -96.16389
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating54.2 US tons
Inventory rating32.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length77 ft (23.5 m)
Longest span73 ft (22.2 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic10 (2008)
Projected traffic14 by 2044
Trucks0%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local Rd. M-1 over Black Vermillion River built?

It was built in 1990, making it 35 years old in 2025.

What condition is Local Rd. M-1 over Black Vermillion River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does Local Rd. M-1 over Black Vermillion River carry?

About 10 vehicles per day (2008 count).

How long is Local Rd. M-1 over Black Vermillion River?

The structure is 77 ft (23.5 m) long with a longest span of 73 ft (22.2 m) and a deck 20 ft wide.

Who owns Local Rd. M-1 over Black Vermillion River?

It is owned by the County Highway Agency.