US Bridges

Mo 32 E over Flat Rvr

Fair

St. Francois County, Missouri · S 13 T 36 N R 4 E · Structure no. 3909

Built
1996
29 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
191 ft
3 main spans
Daily traffic
8,370
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 32 E over Flat Rvr is a prestressed concrete continuous stringer/multi-beam or girder carrying Mo 32 E over Flat Rvr in St. Francois County, Missouri. It was built in 1996, so it is 29 years old, younger 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 8,370 vehicles a day, roughly 24% of them trucks, projected to reach 14,229 by 2044. The structure is 191 ft (58.2 m) long and 46 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

Location

Open in Google Maps
CarriesMo 32 E
CrossesFlat Rvr
LocationS 13 T 36 N R 4 E
RouteState Highway 32
CountySt. Francois County
StateMissouri
Coordinates37.82596, -90.53909
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
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 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 rating75.4 US tons
Inventory rating40.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length191 ft (58.2 m)
Longest span64 ft (19.5 m)
Deck width46 ft (13.9 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,370 (2024)
Projected traffic14,229 by 2044
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 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 1996, making it 29 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 8,370 vehicles per day (2024 count), of which roughly 24% are trucks.

How long is Mo 32 E over Flat Rvr?

The structure is 191 ft (58.2 m) long with a longest span of 64 ft (19.5 m) and a deck 46 ft wide.

Who owns Mo 32 E over Flat Rvr?

It is owned by the State Highway Agency.