US Bridges

Mo 32 E over Flat Rvr

Good

St. Francois County, Missouri · S 22 T 36 N R 4 E · Structure no. 2318

Built
1973
52 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
190 ft
5 main spans
Daily traffic
2,560
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 32 E over Flat Rvr is a steel continuous stringer/multi-beam or girder carrying Mo 32 E over Flat Rvr in St. Francois County, Missouri. It was built in 1973, so it is 52 years old, older 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 2,560 vehicles a day, roughly 24% of them trucks, projected to reach 4,352 by 2044. The structure is 190 ft (57.9 m) long and 47 ft wide. If it were closed, the detour would be 23 mi (37 km).

CarriesMo 32 E
CrossesFlat Rvr
LocationS 22 T 36 N R 4 E
RouteState Highway 32
Coordinates37.81777, -90.57066
Functional classRural Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating30.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length190 ft (57.9 m)
Longest span41 ft (12.5 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,560 (2024)
Projected traffic4,352 by 2044
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Mo 32 E over Flat Rvr built?

It was built in 1973, making it 52 years old in 2025.

What condition is Mo 32 E over Flat 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 October 2024.

How much traffic does Mo 32 E over Flat Rvr carry?

About 2,560 vehicles per day (2024 count), of which roughly 24% are trucks.

How long is Mo 32 E over Flat Rvr?

The structure is 190 ft (57.9 m) long with a longest span of 41 ft (12.5 m) and a deck 47 ft wide.

Who owns Mo 32 E over Flat Rvr?

It is owned by the State Highway Agency.