US Bridges

Local M-15.5 over Local Trib.

PoorPosted for load

Jewell County, Kansas · 3.0S 0.5W of Mankato · Structure no. 000450725503360

Built
1925
100 years old
Condition
Poor
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
1 main span
Daily traffic
5
2018 count
Owner
County
County Highway Agency

About this bridge

Local M-15.5 over Local Trib. is a steel stringer/multi-beam or girder carrying Local M-15.5 over Local Trib. in Jewell County, Kansas. It was built in 1925, so it is 100 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 5 vehicles a day, projected to reach 5 by 2044. The structure is 36 ft (11.1 m) long and 16 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesLocal M-15.5
CrossesLocal Trib.
Location3.0S 0.5W of Mankato
RouteCounty Highway 0
CountyJewell County
StateKansas
Coordinates39.74126, -98.22345
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry8: Equal to present desirable criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating11.8 US tons
Inventory rating7.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1 (+2 approach)
Design loadUnknown
Structure length36 ft (11.1 m)
Longest span15 ft (4.6 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic5 (2018)
Projected traffic5 by 2044
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$210,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Local M-15.5 over Local Trib. built?

It was built in 1925, making it 100 years old in 2025.

What condition is Local M-15.5 over Local Trib. in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does Local M-15.5 over Local Trib. carry?

About 5 vehicles per day (2018 count).

How long is Local M-15.5 over Local Trib.?

The structure is 36 ft (11.1 m) long with a longest span of 15 ft (4.6 m) and a deck 16 ft wide.

Who owns Local M-15.5 over Local Trib.?

It is owned by the County Highway Agency.