US Bridges

Charles Dickerson over Patten Slough

Fair

Morehouse Parish, Louisiana · .23 MI East of LA 593 · Structure no. 053408341100231

Built
1963
62 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete
Length
39 ft
2 main spans
Daily traffic
110
2016 count
Owner
County
County Highway Agency

About this bridge

Charles Dickerson over Patten Slough is a concrete slab carrying Charles Dickerson over Patten Slough in Morehouse Parish, Louisiana. It was built in 1963, so it is 62 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 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 110 vehicles a day, roughly 15% of them trucks, projected to reach 121 by 2036. The structure is 39 ft (11.9 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCharles Dickerson
CrossesPatten Slough
Location.23 MI East of LA 593
RouteCounty Highway 0
CountyMorehouse Parish
StateLouisiana
Coordinates32.71311, -91.8695
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating51 US tons
Inventory rating30 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span19 ft (5.8 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2016)
Projected traffic121 by 2036
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Charles Dickerson over Patten Slough built?

It was built in 1963, making it 62 years old in 2025.

What condition is Charles Dickerson over Patten Slough 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 December 2024.

How much traffic does Charles Dickerson over Patten Slough carry?

About 110 vehicles per day (2016 count), of which roughly 15% are trucks.

How long is Charles Dickerson over Patten Slough?

The structure is 39 ft (11.9 m) long with a longest span of 19 ft (5.8 m) and a deck 28 ft wide.

Who owns Charles Dickerson over Patten Slough?

It is owned by the County Highway Agency.