US Bridges

S Main ST over Cahoochie CR

Fair

Dallas County, Missouri · S 29 T 36 N R 20 W · Structure no. 23793

Built
1922
103 years old
Condition
Fair
inspected March 2024
Type
Tee Beam
Concrete
Length
33 ft
1 main span
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

S Main ST over Cahoochie CR is a concrete tee beam carrying S Main ST over Cahoochie CR in Dallas County, Missouri. It was built in 1922, so it is 103 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 68 by 2043. The structure is 33 ft (10.1 m) long and 24 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesS Main ST
CrossesCahoochie CR
LocationS 29 T 36 N R 20 W
RouteCity Street 0
CountyDallas County
StateMissouri
Coordinates37.83958, -93.16485
Functional classUrban 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length33 ft (10.1 m)
Longest span33 ft (10.1 m)
Deck width24 ft (7.2 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic68 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCity or Municipal 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 S Main ST over Cahoochie CR built?

It was built in 1922, making it 103 years old in 2025.

What condition is S Main ST 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 March 2024.

How much traffic does S Main ST over Cahoochie CR carry?

About 50 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is S Main ST over Cahoochie CR?

The structure is 33 ft (10.1 m) long with a longest span of 33 ft (10.1 m) and a deck 24 ft wide.

Who owns S Main ST over Cahoochie CR?

It is owned by the County Highway Agency and maintained by the City or Municipal Highway Agency.