US Bridges

Dudley Drive over Ockley Ditch

Fair

Caddo Parish, Louisiana · 2.3 MI N of LA 511 · Structure no. 040932283934491

Built
1988
37 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete
Length
42 ft
1 main span
Daily traffic
200
1979 count
Owner
City
City or Municipal Highway Agency

About this bridge

Dudley Drive over Ockley Ditch is a concrete slab carrying Dudley Drive over Ockley Ditch in Caddo Parish, Louisiana. It was built in 1988, so it is 37 years old, younger 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 200 vehicles a day, projected to reach 220 by 1999. The structure is 42 ft (12.8 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesDudley Drive
CrossesOckley Ditch
Location2.3 MI N of LA 511
RouteCounty Highway 0
Coordinates32.47148, -93.74868
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.8 US tons
Inventory rating28.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span38 ft (11.6 m)
Deck width34 ft (10.5 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (1979)
Projected traffic220 by 1999
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal 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 Dudley Drive over Ockley Ditch built?

It was built in 1988, making it 37 years old in 2025.

What condition is Dudley Drive over Ockley Ditch 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 Dudley Drive over Ockley Ditch carry?

About 200 vehicles per day (1979 count).

How long is Dudley Drive over Ockley Ditch?

The structure is 42 ft (12.8 m) long with a longest span of 38 ft (11.6 m) and a deck 34 ft wide.

Who owns Dudley Drive over Ockley Ditch?

It is owned by the City or Municipal Highway Agency.