US Bridges

Mo 19 S over Dry Br

Fair

Gasconade County, Missouri · S 33 T 42 N R 5 W · Structure no. 5423

Built
1931
94 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete Continuous
Length
28 ft
2 main spans
Daily traffic
3,917
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 19 S over Dry Br is a concrete continuous culvert carrying Mo 19 S over Dry Br 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 fair condition with a lowest component rating of 5 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 3,917 vehicles a day, roughly 13% of them trucks, projected to reach 5,876 by 2044. The structure is 28 ft (8.4 m) long. If it were closed, the detour would be 19.3 mi (31 km).

Location

Open in Google Maps
CarriesMo 19 S
CrossesDry Br
LocationS 33 T 42 N R 5 W
RouteState Highway 19
CountyGasconade County
StateMissouri
Coordinates38.33433, -91.49456
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 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 evaluation5: 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 rating110.1 US tons
Inventory rating72.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length28 ft (8.4 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,917 (2024)
Projected traffic5,876 by 2044
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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 19 S over Dry Br built?

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

What condition is Mo 19 S over Dry Br 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 September 2024.

How much traffic does Mo 19 S over Dry Br carry?

About 3,917 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is Mo 19 S over Dry Br?

The structure is 28 ft (8.4 m) long with a longest span of 12 ft (3.7 m).

Who owns Mo 19 S over Dry Br?

It is owned by the State Highway Agency.