US Bridges

East River 7.9-O.5 over Trib to Big Blue River

Good

Marshall County, Kansas · 1.5N 1.0E of Schroyer · Structure no. 000580891903286

Built
2018
7 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
5
2007 count
Owner
County
County Highway Agency

About this bridge

East River 7.9-O.5 over Trib to Big Blue River is a steel stringer/multi-beam or girder carrying East River 7.9-O.5 over Trib to Big Blue River in Marshall County, Kansas. It was built in 2018, so it is 7 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 5 vehicles a day, projected to reach 10 by 2041. The structure is 40 ft (12.2 m) long and 25 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesEast River 7.9-O.5
CrossesTrib to Big Blue River
Location1.5N 1.0E of Schroyer
RouteCounty Highway 2105
StateKansas
Coordinates39.79109, -96.65788
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 protection8 Very GoodNo problems noted.
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating45 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length40 ft (12.2 m)
Longest span39 ft (11.8 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 traffic5 (2007)
Projected traffic10 by 2041
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was East River 7.9-O.5 over Trib to Big Blue River built?

It was built in 2018, making it 7 years old in 2025.

What condition is East River 7.9-O.5 over Trib to Big Blue 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 East River 7.9-O.5 over Trib to Big Blue River carry?

About 5 vehicles per day (2007 count).

How long is East River 7.9-O.5 over Trib to Big Blue River?

The structure is 40 ft (12.2 m) long with a longest span of 39 ft (11.8 m) and a deck 25 ft wide.

Who owns East River 7.9-O.5 over Trib to Big Blue River?

It is owned by the County Highway Agency.