US Bridges

Local 9.7-N.5 over Trib. to Marmaton River

FairPosted for load

Bourbon County, Kansas · 0.4 N 1.0W of Redfield · Structure no. 000061083705965

Built
1936
89 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete
Length
25 ft
1 main span
Daily traffic
1
2021 count
Owner
County
County Highway Agency

About this bridge

Local 9.7-N.5 over Trib. to Marmaton River is a concrete slab carrying Local 9.7-N.5 over Trib. to Marmaton River in Bourbon County, Kansas. It was built in 1936, so it is 89 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 1 vehicles a day, projected to reach 20 by 2042. The structure is 25 ft (7.6 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLocal 9.7-N.5
CrossesTrib. to Marmaton River
Location0.4 N 1.0W of Redfield
RouteCounty Highway 0
StateKansas
Coordinates37.84153, -94.90158
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating26 US tons
Inventory rating26 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span22 ft (6.8 m)
Deck width23 ft (7 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic1 (2021)
Projected traffic20 by 2042
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 Local 9.7-N.5 over Trib. to Marmaton River built?

It was built in 1936, making it 89 years old in 2025.

What condition is Local 9.7-N.5 over Trib. to Marmaton 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 July 2024.

How much traffic does Local 9.7-N.5 over Trib. to Marmaton River carry?

About 1 vehicles per day (2021 count).

How long is Local 9.7-N.5 over Trib. to Marmaton River?

The structure is 25 ft (7.6 m) long with a longest span of 22 ft (6.8 m) and a deck 23 ft wide.

Who owns Local 9.7-N.5 over Trib. to Marmaton River?

It is owned by the County Highway Agency.