US Bridges

Logan ST 62 over Old Chnl Thompson

Fair

Harrison County, Missouri · S 14 T 65 N R 26 W · Structure no. 29055

Built
1935
90 years old, rebuilt 2002
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
30 ft
2 main spans
Daily traffic
100
2024 count
Owner
County
County Highway Agency

About this bridge

Logan ST 62 over Old Chnl Thompson is a steel continuous stringer/multi-beam or girder carrying Logan ST 62 over Old Chnl Thompson in Harrison County, Missouri. It was built in 1935 and reconstructed in 2002, 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 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.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 115 by 2044. The structure is 30 ft (9.1 m) long and 20 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLogan ST 62
CrossesOld Chnl Thompson
LocationS 14 T 65 N R 26 W
RouteCounty Highway 625
Coordinates40.43714, -93.77716
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating49.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span15 ft (4.7 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic115 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Logan ST 62 over Old Chnl Thompson built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 2002.

What condition is Logan ST 62 over Old Chnl Thompson 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 January 2024.

How much traffic does Logan ST 62 over Old Chnl Thompson carry?

About 100 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Logan ST 62 over Old Chnl Thompson?

The structure is 30 ft (9.1 m) long with a longest span of 15 ft (4.7 m) and a deck 20 ft wide.

Who owns Logan ST 62 over Old Chnl Thompson?

It is owned by the County Highway Agency.