US Bridges

Mo 19 S over Town Br

Fair

Shannon County, Missouri · S 35 T 29 N R 4 W · Structure no. 4606

Built
1922
103 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete
Length
22 ft
1 main span
Daily traffic
1,163
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 19 S over Town Br is a concrete slab carrying Mo 19 S over Town Br in Shannon 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 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 1,163 vehicles a day, roughly 7% of them trucks, projected to reach 1,745 by 2044. The structure is 22 ft (6.7 m) long and 23 ft wide. If it were closed, the detour would be 31.7 mi (51 km).

Location

Open in Google Maps
CarriesMo 19 S
CrossesTown Br
LocationS 35 T 29 N R 4 W
RouteState Highway 19
CountyShannon County
StateMissouri
Coordinates37.14351, -91.35809
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 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
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 rating40.7 US tons
Inventory rating24.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width23 ft (7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,163 (2024)
Projected traffic1,745 by 2044
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.7 mi (51 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$254,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 19 S over Town Br built?

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

What condition is Mo 19 S over Town 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 December 2024.

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

About 1,163 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Mo 19 S over Town Br?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 23 ft wide.

Who owns Mo 19 S over Town Br?

It is owned by the State Highway Agency.