US Bridges

Mo 19 S over Frederick CR

Fair

Oregon County, Missouri · S 19 T 23 N R 4 W · Structure no. 4977

Built
1926
99 years old, rebuilt 1987
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
96 ft
4 main spans
Daily traffic
2,123
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 19 S over Frederick CR is a concrete continuous slab carrying Mo 19 S over Frederick CR in Oregon County, Missouri. It was built in 1926 and reconstructed in 1987, so it is 99 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 6 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 2,123 vehicles a day, roughly 4% of them trucks, projected to reach 3,185 by 2044. The structure is 96 ft (29.3 m) long and 41 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

Location

Open in Google Maps
CarriesMo 19 S
CrossesFrederick CR
LocationS 19 T 23 N R 4 W
RouteState Highway 19
CountyOregon County
StateMissouri
Coordinates36.64387, -91.45182
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length96 ft (29.3 m)
Longest span25 ft (7.5 m)
Deck width41 ft (12.6 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,123 (2024)
Projected traffic3,185 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 19 S over Frederick CR built?

It was built in 1926, making it 99 years old in 2025. It was reconstructed in 1987.

What condition is Mo 19 S over Frederick CR 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 January 2024.

How much traffic does Mo 19 S over Frederick CR carry?

About 2,123 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Mo 19 S over Frederick CR?

The structure is 96 ft (29.3 m) long with a longest span of 25 ft (7.5 m) and a deck 41 ft wide.

Who owns Mo 19 S over Frederick CR?

It is owned by the State Highway Agency.