US Bridges

Mo 32 E over Richardson CR

PoorPosted for load

Iron County, Missouri · S 218 T 35 N R 2 E · Structure no. 4575

Built
1922
103 years old
Condition
Poor
inspected October 2023
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
860
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 32 E over Richardson CR is a concrete slab carrying Mo 32 E over Richardson CR in Iron County, Missouri. It was built in 1922, so it is 103 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 860 vehicles a day, roughly 24% of them trucks, projected to reach 1,290 by 2044. The structure is 23 ft (6.9 m) long and 21 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

CarriesMo 32 E
CrossesRichardson CR
LocationS 218 T 35 N R 2 E
RouteState Highway 32
Coordinates37.70676, -90.79744
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating26.8 US tons
Inventory rating8.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length23 ft (6.9 m)
Longest span20 ft (6.1 m)
Deck width21 ft (6.4 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic860 (2024)
Projected traffic1,290 by 2044
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.8 mi (64 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$374,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 32 E over Richardson CR built?

It was built in 1922, making it 103 years old in 2025.

What condition is Mo 32 E over Richardson CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2023.

How much traffic does Mo 32 E over Richardson CR carry?

About 860 vehicles per day (2024 count), of which roughly 24% are trucks.

How long is Mo 32 E over Richardson CR?

The structure is 23 ft (6.9 m) long with a longest span of 20 ft (6.1 m) and a deck 21 ft wide.

Who owns Mo 32 E over Richardson CR?

It is owned by the State Highway Agency.