US Bridges

Local N.7-10.0 over Trib. to Limestone Creek

PoorPosted for load

Jewell County, Kansas · 1.3S 6.0W of Mankato · Structure no. 000450715003323

Built
1940
85 years old
Condition
Poor
inspected March 2023
Type
Girder and Floorbeam System
Steel
Length
90 ft
2 main spans
Daily traffic
35
2018 count
Owner
County
County Highway Agency

About this bridge

Local N.7-10.0 over Trib. to Limestone Creek is a steel girder and floorbeam system carrying Local N.7-10.0 over Trib. to Limestone Creek in Jewell County, Kansas. It was built in 1940, 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 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 35 vehicles a day, projected to reach 35 by 2043. The structure is 90 ft (27.4 m) long and 22 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesLocal N.7-10.0
CrossesTrib. to Limestone Creek
Location1.3S 6.0W of Mankato
RouteCounty Highway 0
CountyJewell County
StateKansas
Coordinates39.7657, -98.32534
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating8.9 US tons
Inventory rating4 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckCorrugated steel
Main spans2 (+2 approach)
Design loadUnknown
Structure length90 ft (27.4 m)
Longest span21 ft (6.5 m)
Deck width22 ft (6.6 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic35 (2018)
Projected traffic35 by 2043
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$560,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Local N.7-10.0 over Trib. to Limestone Creek built?

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

What condition is Local N.7-10.0 over Trib. to Limestone Creek 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 2023.

How much traffic does Local N.7-10.0 over Trib. to Limestone Creek carry?

About 35 vehicles per day (2018 count).

How long is Local N.7-10.0 over Trib. to Limestone Creek?

The structure is 90 ft (27.4 m) long with a longest span of 21 ft (6.5 m) and a deck 22 ft wide.

Who owns Local N.7-10.0 over Trib. to Limestone Creek?

It is owned by the County Highway Agency.