US Bridges

ST Marys RD over Br of Stouts CR

PoorPosted for load

Iron County, Missouri · S 33 T 34 N R 4 E · Structure no. 13466

Built
1980
45 years old
Condition
Poor
inspected February 2025
Type
Slab
Concrete Continuous
Length
30 ft
3 main spans
Daily traffic
35
2023 count
Owner
County
County Highway Agency

About this bridge

ST Marys RD over Br of Stouts CR is a concrete continuous slab carrying ST Marys RD over Br of Stouts CR in Iron County, Missouri. It was built in 1980, so it is 45 years old, younger 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 35 vehicles a day, roughly 10% of them trucks, projected to reach 42 by 2043. The structure is 30 ft (9.1 m) long and 18 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesST Marys RD
CrossesBr of Stouts CR
LocationS 33 T 34 N R 4 E
RouteCounty Highway 39
Coordinates37.6019, -90.6028
Functional classRural Local

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating20.8 US tons
Inventory rating12.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length30 ft (9.1 m)
Longest span9 ft (2.7 m)
Deck width18 ft (5.6 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2023)
Projected traffic42 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$289,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST Marys RD over Br of Stouts CR built?

It was built in 1980, making it 45 years old in 2025.

What condition is ST Marys RD over Br of Stouts 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 February 2025.

How much traffic does ST Marys RD over Br of Stouts CR carry?

About 35 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is ST Marys RD over Br of Stouts CR?

The structure is 30 ft (9.1 m) long with a longest span of 9 ft (2.7 m) and a deck 18 ft wide.

Who owns ST Marys RD over Br of Stouts CR?

It is owned by the County Highway Agency.