US Bridges

Osage Rd. over Trib Nfb Vermillion Riv.

Fair

Marshall County, Kansas · 4.5N 1.0E of Vermillion · Structure no. 000000000580530

Built
1932
93 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
1 main span
Daily traffic
48
2007 count
Owner
County
County Highway Agency

About this bridge

Osage Rd. over Trib Nfb Vermillion Riv. is a steel stringer/multi-beam or girder carrying Osage Rd. over Trib Nfb Vermillion Riv. in Marshall County, Kansas. It was built in 1932, so it is 93 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.

It carries about 48 vehicles a day, projected to reach 75 by 2043. The structure is 32 ft (9.8 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesOsage Rd.
CrossesTrib Nfb Vermillion Riv.
Location4.5N 1.0E of Vermillion
RouteCounty Highway 1228
StateKansas
Coordinates39.78379, -96.2506
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.
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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.8 US tons
Inventory rating29.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span30 ft (9.1 m)
Deck width27 ft (8.3 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic48 (2007)
Projected traffic75 by 2043
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$57,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Osage Rd. over Trib Nfb Vermillion Riv. built?

It was built in 1932, making it 93 years old in 2025.

What condition is Osage Rd. 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 July 2023.

How much traffic does Osage Rd. over Trib Nfb Vermillion Riv. carry?

About 48 vehicles per day (2007 count).

How long is Osage Rd. over Trib Nfb Vermillion Riv.?

The structure is 32 ft (9.8 m) long with a longest span of 30 ft (9.1 m) and a deck 27 ft wide.

Who owns Osage Rd. over Trib Nfb Vermillion Riv.?

It is owned by the County Highway Agency.