US Bridges

Boueff RD over Kochs CR

FairPosted for load

Warren County, Missouri · S 27 T 45 N R 2 W · Structure no. 16535

Built
1971
54 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
36 ft
2 main spans
Daily traffic
30
2024 count
Owner
County
County Highway Agency

About this bridge

Boueff RD over Kochs CR is a steel continuous stringer/multi-beam or girder carrying Boueff RD over Kochs CR in Warren County, Missouri. It was built in 1971, so it is 54 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 30 vehicles a day, roughly 10% of them trucks, projected to reach 48 by 2044. The structure is 36 ft (11 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesBoueff RD
CrossesKochs CR
LocationS 27 T 45 N R 2 W
RouteCounty Highway 124
CountyWarren County
StateMissouri
Coordinates38.63236, -91.12342
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
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.8 US tons
Inventory rating12.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length36 ft (11 m)
Longest span17 ft (5.2 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2024)
Projected traffic48 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Boueff RD over Kochs CR built?

It was built in 1971, making it 54 years old in 2025.

What condition is Boueff 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 Boueff RD over Kochs CR carry?

About 30 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Boueff RD over Kochs CR?

The structure is 36 ft (11 m) long with a longest span of 17 ft (5.2 m) and a deck 30 ft wide.

Who owns Boueff RD over Kochs CR?

It is owned by the County Highway Agency.