US Bridges

Local O.4-16.5 over Trib. Middle Buffalo Ck.

Fair

Jewell County, Kansas · S. Edge of Mankato · Structure no. 000450727503305

Built
1986
39 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
40 ft
3 main spans
Daily traffic
50
2018 count
Owner
County
County Highway Agency

About this bridge

Local O.4-16.5 over Trib. Middle Buffalo Ck. is a steel continuous stringer/multi-beam or girder carrying Local O.4-16.5 over Trib. Middle Buffalo Ck. in Jewell County, Kansas. It was built in 1986, so it is 39 years old, younger 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.

It carries about 50 vehicles a day, projected to reach 50 by 2044. The structure is 40 ft (12.3 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLocal O.4-16.5
CrossesTrib. Middle Buffalo Ck.
LocationS. Edge of Mankato
RouteCounty Highway 0
StateKansas
Coordinates39.77624, -98.20363
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.5 US tons
Inventory rating27 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length40 ft (12.3 m)
Longest span15 ft (4.5 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 traffic50 (2018)
Projected traffic50 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$310,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Local O.4-16.5 over Trib. Middle Buffalo Ck. built?

It was built in 1986, making it 39 years old in 2025.

What condition is Local O.4-16.5 over Trib. Middle Buffalo Ck. 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 March 2024.

How much traffic does Local O.4-16.5 over Trib. Middle Buffalo Ck. carry?

About 50 vehicles per day (2018 count).

How long is Local O.4-16.5 over Trib. Middle Buffalo Ck.?

The structure is 40 ft (12.3 m) long with a longest span of 15 ft (4.5 m) and a deck 25 ft wide.

Who owns Local O.4-16.5 over Trib. Middle Buffalo Ck.?

It is owned by the County Highway Agency.