US Bridges

Rt B S over Logan CR

PoorPosted for load

Reynolds County, Missouri · S 5 T 29 N R 1 E · Structure no. 8949

Built
1935
90 years old, rebuilt 1994
Condition
Poor
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
140 ft
4 main spans
Daily traffic
296
2024 count
Owner
State
State Highway Agency

About this bridge

Rt B S over Logan CR is a steel stringer/multi-beam or girder carrying Rt B S over Logan CR in Reynolds County, Missouri. It was built in 1935 and reconstructed in 1994, so it is 90 years old, older than the Missouri average of 45.1 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 296 vehicles a day, roughly 11% of them trucks, projected to reach 414 by 2044. The structure is 140 ft (42.7 m) long and 21 ft wide. If it were closed, the detour would be 42.3 mi (68 km).

CarriesRt B S
CrossesLogan CR
LocationS 5 T 29 N R 1 E
RouteState Highway 0B
Coordinates37.23214, -91.07667
Functional classRural Major Collector

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating22.8 US tons
Inventory rating10.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 10
Structure length140 ft (42.7 m)
Longest span49 ft (15 m)
Deck width21 ft (6.5 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic296 (2024)
Projected traffic414 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed42.3 mi (68 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.3 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt B S over Logan CR built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1994.

What condition is Rt B S over Logan CR 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 November 2024.

How much traffic does Rt B S over Logan CR carry?

About 296 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Rt B S over Logan CR?

The structure is 140 ft (42.7 m) long with a longest span of 49 ft (15 m) and a deck 21 ft wide.

Who owns Rt B S over Logan CR?

It is owned by the State Highway Agency.