US Bridges

Minor M-7.7 over Middle Limestone Creek

FairPosted for load

Jewell County, Kansas · 5.5N 1.5W of Ionia · Structure no. 000450709703360

Built
1936
89 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
1 main span
Daily traffic
20
2018 count
Owner
County
County Highway Agency

About this bridge

Minor M-7.7 over Middle Limestone Creek is a steel stringer/multi-beam or girder carrying Minor M-7.7 over Middle Limestone Creek in Jewell 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 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 20 vehicles a day, projected to reach 20 by 2043. The structure is 32 ft (9.8 m) long and 24 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesMinor M-7.7
CrossesMiddle Limestone Creek
Location5.5N 1.5W of Ionia
RouteCounty Highway 4506
CountyJewell County
StateKansas
Coordinates39.74138, -98.37849
Functional classRural Minor Collector

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating30.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span31 ft (9.3 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic20 (2018)
Projected traffic20 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Minor M-7.7 over Middle Limestone Creek built?

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

What condition is Minor M-7.7 over Middle Limestone Creek 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 2023.

How much traffic does Minor M-7.7 over Middle Limestone Creek carry?

About 20 vehicles per day (2018 count).

How long is Minor M-7.7 over Middle Limestone Creek?

The structure is 32 ft (9.8 m) long with a longest span of 31 ft (9.3 m) and a deck 24 ft wide.

Who owns Minor M-7.7 over Middle Limestone Creek?

It is owned by the County Highway Agency.