US Bridges

10th Rd. 8.6-W.1 over Trib. to Big Blue River

FairPosted for load

Marshall County, Kansas · E. of Blue Rapids · Structure no. 000580893603441

Built
1940
85 years old, rebuilt 1992
Condition
Fair
inspected May 2023
Type
Girder and Floorbeam System
Steel
Length
30 ft
1 main span
Daily traffic
25
2007 count
Owner
County
County Highway Agency

About this bridge

10th Rd. 8.6-W.1 over Trib. to Big Blue River is a steel girder and floorbeam system carrying 10th Rd. 8.6-W.1 over Trib. to Big Blue River in Marshall County, Kansas. It was built in 1940 and reconstructed in 1992, 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 6 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 25 vehicles a day, projected to reach 25 by 2043. The structure is 30 ft (9.1 m) long and 18 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries10th Rd. 8.6-W.1
CrossesTrib. to Big Blue River
LocationE. of Blue Rapids
RouteCounty Highway 0
StateKansas
Coordinates39.68189, -96.64371
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating17.5 US tons
Inventory rating10.5 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width18 ft (5.4 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic25 (2007)
Projected traffic25 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$235,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 10th Rd. 8.6-W.1 over Trib. to Big Blue River built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1992.

What condition is 10th Rd. 8.6-W.1 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 May 2023.

How much traffic does 10th Rd. 8.6-W.1 over Trib. to Big Blue River carry?

About 25 vehicles per day (2007 count).

How long is 10th Rd. 8.6-W.1 over Trib. to Big Blue River?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 18 ft wide.

Who owns 10th Rd. 8.6-W.1 over Trib. to Big Blue River?

It is owned by the County Highway Agency.