US Bridges

Cotten Rd. over Possum Point Bayou

FairPosted for load

St. Mary Parish, Louisiana · 2.1 M S of US 90 · Structure no. 035129390911751

Built
1965
60 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete
Length
228 ft
12 main spans
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

Cotten Rd. over Possum Point Bayou is a concrete slab carrying Cotten Rd. over Possum Point Bayou in St. Mary Parish, Louisiana. It was built in 1965, so it is 60 years old, older than the Louisiana average of 43 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, projected to reach 55 by 2042. The structure is 228 ft (69.5 m) long and 30 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

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CarriesCotten Rd.
CrossesPossum Point Bayou
Location2.1 M S of US 90
RouteCounty Highway 0
CountySt. Mary Parish
StateLouisiana
Coordinates29.64828, -91.29289
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating20.7 US tons
Inventory rating16.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans12
Design loadHS 20
Structure length228 ft (69.5 m)
Longest span19 ft (5.8 m)
Deck width30 ft (9 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic55 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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$703,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Cotten Rd. over Possum Point Bayou built?

It was built in 1965, making it 60 years old in 2025.

What condition is Cotten Rd. over Possum Point Bayou 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 April 2023.

How much traffic does Cotten Rd. over Possum Point Bayou carry?

About 50 vehicles per day (2022 count).

How long is Cotten Rd. over Possum Point Bayou?

The structure is 228 ft (69.5 m) long with a longest span of 19 ft (5.8 m) and a deck 30 ft wide.

Who owns Cotten Rd. over Possum Point Bayou?

It is owned by the County Highway Agency.