US Bridges

Rt Bb S over Cahoochie CR

Fair

Dallas County, Missouri · S 2 T 36 N R 20 W · Structure no. 7971

Built
1955
70 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete Continuous
Length
37 ft
3 main spans
Daily traffic
119
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Bb S over Cahoochie CR is a concrete continuous culvert carrying Rt Bb S over Cahoochie CR in Dallas County, Missouri. It was built in 1955, so it is 70 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 119 vehicles a day, roughly 9% of them trucks, projected to reach 173 by 2044. The structure is 37 ft (11.3 m) long and 25 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

CarriesRt Bb S
CrossesCahoochie CR
LocationS 2 T 36 N R 20 W
RouteState Highway 0BB
Coordinates37.89596, -93.10099
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating73.4 US tons
Inventory rating43.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 10
Structure length37 ft (11.3 m)
Longest span12 ft (3.7 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic119 (2024)
Projected traffic173 by 2044
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$306,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt Bb S over Cahoochie CR built?

It was built in 1955, making it 70 years old in 2025.

What condition is Rt Bb S over Cahoochie 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 November 2023.

How much traffic does Rt Bb S over Cahoochie CR carry?

About 119 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is Rt Bb S over Cahoochie CR?

The structure is 37 ft (11.3 m) long with a longest span of 12 ft (3.7 m) and a deck 25 ft wide.

Who owns Rt Bb S over Cahoochie CR?

It is owned by the State Highway Agency.