US Bridges

RS485 M-13 over S.B.Black Vermillion Rv.

FairPosted for load

Nemaha County, Kansas · 3.5S.W. of Centralia · Structure no. 000000000660020

Built
1954
71 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
176 ft
3 main spans
Daily traffic
83
2008 count
Owner
County
County Highway Agency

About this bridge

RS485 M-13 over S.B.Black Vermillion Rv. is a steel continuous stringer/multi-beam or girder carrying RS485 M-13 over S.B.Black Vermillion Rv. in Nemaha County, Kansas. It was built in 1954, so it is 71 years old, older 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 83 vehicles a day, projected to reach 90 by 2044. The structure is 176 ft (53.6 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesRS485 M-13
CrossesS.B.Black Vermillion Rv.
Location3.5S.W. of Centralia
RouteCounty Highway 485
CountyNemaha County
StateKansas
Coordinates39.71647, -96.18231
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.4 US tons
Inventory rating20 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length176 ft (53.6 m)
Longest span68 ft (20.6 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic83 (2008)
Projected traffic90 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$278,000
NavigationNo navigation control on waterway

Frequently asked questions

When was RS485 M-13 over S.B.Black Vermillion Rv. built?

It was built in 1954, making it 71 years old in 2025.

What condition is RS485 M-13 over S.B.Black Vermillion Rv. 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 March 2024.

How much traffic does RS485 M-13 over S.B.Black Vermillion Rv. carry?

About 83 vehicles per day (2008 count).

How long is RS485 M-13 over S.B.Black Vermillion Rv.?

The structure is 176 ft (53.6 m) long with a longest span of 68 ft (20.6 m) and a deck 27 ft wide.

Who owns RS485 M-13 over S.B.Black Vermillion Rv.?

It is owned by the County Highway Agency.