US Bridges

K-1 over Br of Logan CR

FairPosted for load

Ripley County, Missouri · S 4 T 23 N R 3 E · Structure no. 18511

Built
1950
75 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
78 ft
4 main spans
Daily traffic
40
2023 count
Owner
County
County Highway Agency

About this bridge

K-1 over Br of Logan CR is a steel stringer/multi-beam or girder carrying K-1 over Br of Logan CR in Ripley County, Missouri. It was built in 1950, so it is 75 years old, older than the Missouri average of 45.1 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 40 vehicles a day, roughly 10% of them trucks, projected to reach 48 by 2043. The structure is 78 ft (23.8 m) long and 16 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

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CarriesK-1
CrossesBr of Logan CR
LocationS 4 T 23 N R 3 E
RouteCounty Highway 188
CountyRipley County
StateMissouri
Coordinates36.6693, -90.7561
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating49.6 US tons
Inventory rating29.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckOther
Main spans4
Design loadOther
Structure length78 ft (23.8 m)
Longest span20 ft (6.1 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2023)
Projected traffic48 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was K-1 over Br of Logan CR built?

It was built in 1950, making it 75 years old in 2025.

What condition is K-1 over Br of Logan CR 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 February 2025.

How much traffic does K-1 over Br of Logan CR carry?

About 40 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is K-1 over Br of Logan CR?

The structure is 78 ft (23.8 m) long with a longest span of 20 ft (6.1 m) and a deck 16 ft wide.

Who owns K-1 over Br of Logan CR?

It is owned by the County Highway Agency.