US Bridges

Mo 32 E over Flat Rvr

Fair

St. Francois County, Missouri · S 29 T 36 N R 4 E · Structure no. 2316

Built
1974
51 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
222 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 1974, so it is 51 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 2,560 vehicles a day, roughly 24% of them trucks, projected to reach 4,352 by 2044. The structure is 222 ft (67.7 m) long and 47 ft wide. If it were closed, the detour would be 23 mi (37 km).

CarriesMo 32 E
CrossesFlat Rvr
LocationS 29 T 36 N R 4 E
RouteState Highway 32
Coordinates37.79807, -90.60712
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to 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 rating41.7 US tons
Inventory rating24.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length222 ft (67.7 m)
Longest span47 ft (14.3 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 1974, making it 51 years old in 2025.

What condition is Mo 32 E over Flat 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 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 222 ft (67.7 m) long with a longest span of 47 ft (14.3 m) and a deck 47 ft wide.

Who owns Mo 32 E over Flat Rvr?

It is owned by the State Highway Agency.