US Bridges

160E-8 over Logan CR

FairPosted for load

Ripley County, Missouri · S 17 T 23 N R 3 E · Structure no. 20395

Built
1922
103 years old
Condition
Fair
inspected February 2025
Type
Slab
Concrete Continuous
Length
36 ft
2 main spans
Daily traffic
125
2023 count
Owner
County
County Highway Agency

About this bridge

160E-8 over Logan CR is a concrete continuous slab carrying 160E-8 over Logan CR in Ripley County, Missouri. It was built in 1922, so it is 103 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 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 125 vehicles a day, roughly 10% of them trucks, projected to reach 150 by 2043. The structure is 36 ft (11 m) long and 21 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
Carries160E-8
CrossesLogan CR
LocationS 17 T 23 N R 3 E
RouteCounty Highway 258
CountyRipley County
StateMissouri
Coordinates36.65167, -90.76333
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating26.8 US tons
Inventory rating8.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length36 ft (11 m)
Longest span18 ft (5.5 m)
Deck width21 ft (6.4 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2023)
Projected traffic150 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$327,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 160E-8 over Logan CR built?

It was built in 1922, making it 103 years old in 2025.

What condition is 160E-8 over 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 160E-8 over Logan CR carry?

About 125 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is 160E-8 over Logan CR?

The structure is 36 ft (11 m) long with a longest span of 18 ft (5.5 m) and a deck 21 ft wide.

Who owns 160E-8 over Logan CR?

It is owned by the County Highway Agency.