US Bridges

Vine ST over Mid Fk Salt Rvr

Fair

Macon County, Missouri · S 18 T 57 N R 13 W · Structure no. 24860

Built
1960
65 years old, rebuilt 1989
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
35
2024 count
Owner
County
County Highway Agency

About this bridge

Vine ST over Mid Fk Salt Rvr is a steel stringer/multi-beam or girder carrying Vine ST over Mid Fk Salt Rvr in Macon County, Missouri. It was built in 1960 and reconstructed in 1989, so it is 65 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.

It carries about 35 vehicles a day, roughly 10% of them trucks, projected to reach 39 by 2044. The structure is 50 ft (15.2 m) long and 16 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesVine ST
CrossesMid Fk Salt Rvr
LocationS 18 T 57 N R 13 W
RouteCounty Highway 566
Coordinates39.73712, -92.40347
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.7 US tons
Inventory rating20.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length50 ft (15.2 m)
Longest span49 ft (14.9 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2024)
Projected traffic39 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$272,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Vine ST over Mid Fk Salt Rvr built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1989.

What condition is Vine ST over Mid Fk Salt Rvr 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 Vine ST over Mid Fk Salt Rvr carry?

About 35 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Vine ST over Mid Fk Salt Rvr?

The structure is 50 ft (15.2 m) long with a longest span of 49 ft (14.9 m) and a deck 16 ft wide.

Who owns Vine ST over Mid Fk Salt Rvr?

It is owned by the County Highway Agency.