US Bridges

Mo 19 N over Moc RR

Fair

Gasconade County, Missouri · S 21 T 42 N R 5 W · Structure no. 1217

Built
1966
59 years old, rebuilt 1986
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
164 ft
3 main spans
Daily traffic
2,558
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 19 N over Moc RR is a steel continuous stringer/multi-beam or girder carrying Mo 19 N over Moc RR in Gasconade County, Missouri. It was built in 1966 and reconstructed in 1986, so it is 59 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 2,558 vehicles a day, roughly 10% of them trucks, projected to reach 3,837 by 2044. The structure is 164 ft (50 m) long and 33 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesMo 19 N
CrossesMoc RR
LocationS 21 T 42 N R 5 W
RouteState Highway 19
Coordinates38.36483, -91.48052
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.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.7 US tons
Inventory rating24.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length164 ft (50 m)
Longest span64 ft (19.5 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,558 (2024)
Projected traffic3,837 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed19.9 mi (32 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mo 19 N over Moc RR built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1986.

What condition is Mo 19 N over Moc RR 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 N over Moc RR carry?

About 2,558 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Mo 19 N over Moc RR?

The structure is 164 ft (50 m) long with a longest span of 64 ft (19.5 m) and a deck 33 ft wide.

Who owns Mo 19 N over Moc RR?

It is owned by the State Highway Agency.