US Bridges

Schomberg RD over Kochs CR

FairPosted for load

Warren County, Missouri · S 3109 T 45 N R 2 W · Structure no. 16315

Built
1968
57 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
50
2024 count
Owner
County
County Highway Agency

About this bridge

Schomberg RD over Kochs CR is a steel stringer/multi-beam or girder carrying Schomberg RD over Kochs CR in Warren County, Missouri. It was built in 1968, so it is 57 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 80 by 2044. The structure is 41 ft (12.5 m) long and 20 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesSchomberg RD
CrossesKochs CR
LocationS 3109 T 45 N R 2 W
RouteCounty Highway 116
CountyWarren County
StateMissouri
Coordinates38.63456, -91.16231
Functional classRural Local

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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating10.9 US tons
Inventory rating5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length41 ft (12.5 m)
Longest span40 ft (12.2 m)
Deck width20 ft (6 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic80 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$344,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Schomberg RD over Kochs CR built?

It was built in 1968, making it 57 years old in 2025.

What condition is Schomberg RD over Kochs 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 February 2024.

How much traffic does Schomberg RD over Kochs CR carry?

About 50 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Schomberg RD over Kochs CR?

The structure is 41 ft (12.5 m) long with a longest span of 40 ft (12.2 m) and a deck 20 ft wide.

Who owns Schomberg RD over Kochs CR?

It is owned by the County Highway Agency.