US Bridges

Third St. over Drainage Ditch

PoorPosted for load

Jefferson Davis Parish, Louisiana · 0.3 MI W of LA 14 · Structure no. 072730046924091

Built
1968
57 years old
Condition
Poor
inspected September 2024
Type
Slab
Concrete
Length
76 ft
4 main spans
Daily traffic
325
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Third St. over Drainage Ditch is a concrete slab carrying Third St. over Drainage Ditch in Jefferson Davis Parish, Louisiana. It was built in 1968, so it is 57 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 325 vehicles a day, projected to reach 357 by 2039. The structure is 76 ft (23.2 m) long and 19 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesThird St.
CrossesDrainage Ditch
Location0.3 MI W of LA 14
RouteCounty Highway 0
Coordinates30.07665, -92.68364
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating27.1 US tons
Inventory rating20.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span19 ft (5.8 m)
Deck width19 ft (5.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic325 (2019)
Projected traffic357 by 2039
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township 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 Third St. over Drainage Ditch built?

It was built in 1968, making it 57 years old in 2025.

What condition is Third St. over Drainage Ditch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does Third St. over Drainage Ditch carry?

About 325 vehicles per day (2019 count).

How long is Third St. over Drainage Ditch?

The structure is 76 ft (23.2 m) long with a longest span of 19 ft (5.8 m) and a deck 19 ft wide.

Who owns Third St. over Drainage Ditch?

It is owned by the Town or Township Highway Agency and maintained by the County Highway Agency.