US Bridges

N Atlantic over Br Cahoochie CR

Fair

Dallas County, Missouri · S 20 T 36 N R 20 W · Structure no. 12502

Built
1900
125 years old, rebuilt 2008
Condition
Fair
inspected March 2024
Type
Culvert
Steel
Length
27 ft
3 main spans
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

N Atlantic over Br Cahoochie CR is a steel culvert carrying N Atlantic over Br Cahoochie CR in Dallas County, Missouri. It was built in 1900 and reconstructed in 2008, so it is 125 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 70 by 2043. The structure is 27 ft (8.2 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesN Atlantic
CrossesBr Cahoochie CR
LocationS 20 T 36 N R 20 W
RouteCounty Highway 12
CountyDallas County
StateMissouri
Coordinates37.8593, -93.1676
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadOther
Structure length27 ft (8.2 m)
Longest span8 ft (2.4 m)
Deck width25 ft (7.5 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic70 by 2043
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 N Atlantic over Br Cahoochie CR built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 2008.

What condition is N Atlantic over Br 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 N Atlantic over Br Cahoochie CR carry?

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

How long is N Atlantic over Br Cahoochie CR?

The structure is 27 ft (8.2 m) long with a longest span of 8 ft (2.4 m) and a deck 25 ft wide.

Who owns N Atlantic over Br Cahoochie CR?

It is owned by the County Highway Agency.