US Bridges

East River 6.9-S.2 over Trib. to Big Blue River

Fair

Marshall County, Kansas · 4.0N 1.0W Blue Rapids · Structure no. 000580889903362

Built
1940
85 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
1 main span
Daily traffic
20
2007 count
Owner
County
County Highway Agency

About this bridge

East River 6.9-S.2 over Trib. to Big Blue River is a steel stringer/multi-beam or girder carrying East River 6.9-S.2 over Trib. to Big Blue River in Marshall County, Kansas. It was built in 1940, so it is 85 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 20 vehicles a day, projected to reach 20 by 2043. The structure is 32 ft (9.8 m) long and 19 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesEast River 6.9-S.2
CrossesTrib. to Big Blue River
Location4.0N 1.0W Blue Rapids
RouteCounty Highway 0
CountyMarshall County
StateKansas
Coordinates39.73511, -96.67851
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating62.8 US tons
Inventory rating37.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span30 ft (9.1 m)
Deck width19 ft (5.9 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic20 (2007)
Projected traffic20 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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was East River 6.9-S.2 over Trib. to Big Blue River built?

It was built in 1940, making it 85 years old in 2025.

What condition is East River 6.9-S.2 over Trib. to Big Blue River 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 East River 6.9-S.2 over Trib. to Big Blue River carry?

About 20 vehicles per day (2007 count).

How long is East River 6.9-S.2 over Trib. to Big Blue River?

The structure is 32 ft (9.8 m) long with a longest span of 30 ft (9.1 m) and a deck 19 ft wide.

Who owns East River 6.9-S.2 over Trib. to Big Blue River?

It is owned by the County Highway Agency.