US Bridges

Plum Ford RD over CR to Meramec Rvr

Good

Franklin County, Missouri · S 24 T 41 N R 1 W · Structure no. 21823

Built
1999
26 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
57 ft
1 main span
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

Plum Ford RD over CR to Meramec Rvr is a prestressed concrete stringer/multi-beam or girder carrying Plum Ford RD over CR to Meramec Rvr in Franklin County, Missouri. It was built in 1999, so it is 26 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, roughly 24% of them trucks, projected to reach 90 by 2043. The structure is 57 ft (17.4 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesPlum Ford RD
CrossesCR to Meramec Rvr
LocationS 24 T 41 N R 1 W
RouteCounty Highway 325
Coordinates38.27356, -90.98059
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.5 US tons
Inventory rating39.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span54 ft (16.5 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic90 by 2043
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Plum Ford RD over CR to Meramec Rvr built?

It was built in 1999, making it 26 years old in 2025.

What condition is Plum Ford RD over CR to Meramec Rvr in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2025.

How much traffic does Plum Ford RD over CR to Meramec Rvr carry?

About 50 vehicles per day (2023 count), of which roughly 24% are trucks.

How long is Plum Ford RD over CR to Meramec Rvr?

The structure is 57 ft (17.4 m) long with a longest span of 54 ft (16.5 m) and a deck 27 ft wide.

Who owns Plum Ford RD over CR to Meramec Rvr?

It is owned by the County Highway Agency.