US Bridges

Mo 19 S over Red Oak CR

Poor

Gasconade County, Missouri · S 9 T 41 N R 5 W · Structure no. 5424

Built
1931
94 years old
Condition
Poor
inspected September 2024
Type
Tee Beam
Concrete
Length
53 ft
1 main span
Daily traffic
2,121
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 19 S over Red Oak CR is a concrete tee beam carrying Mo 19 S over Red Oak CR in Gasconade County, Missouri. It was built in 1931, so it is 94 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.

It carries about 2,121 vehicles a day, roughly 10% of them trucks, projected to reach 3,182 by 2044. The structure is 53 ft (16.2 m) long and 23 ft wide. If it were closed, the detour would be 32.9 mi (53 km).

CarriesMo 19 S
CrossesRed Oak CR
LocationS 9 T 41 N R 5 W
RouteState Highway 19
Coordinates38.31054, -91.48412
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
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57.5 US tons
Inventory rating34.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length53 ft (16.2 m)
Longest span50 ft (15.2 m)
Deck width23 ft (7 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,121 (2024)
Projected traffic3,182 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed32.9 mi (53 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$720,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 19 S over Red Oak CR built?

It was built in 1931, making it 94 years old in 2025.

What condition is Mo 19 S over Red Oak 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 September 2024.

How much traffic does Mo 19 S over Red Oak CR carry?

About 2,121 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Mo 19 S over Red Oak CR?

The structure is 53 ft (16.2 m) long with a longest span of 50 ft (15.2 m) and a deck 23 ft wide.

Who owns Mo 19 S over Red Oak CR?

It is owned by the State Highway Agency.