US Bridges

Fenner RD over Drainage Ditch

Fair

St. Tammany Parish, Louisiana · 0.5 Mile N. of LA.43 · Structure no. 625230186895021

Built
1960
65 years old
Condition
Fair
inspected January 2023
Type
Culvert
Concrete
Length
22 ft
4 main spans
Daily traffic
94
1974 count
Owner
County
County Highway Agency

About this bridge

Fenner RD over Drainage Ditch is a concrete culvert carrying Fenner RD over Drainage Ditch in St. Tammany Parish, Louisiana. It was built in 1960, so it is 65 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 94 vehicles a day, projected to reach 103 by 1994. The structure is 22 ft (6.7 m) long and 32 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesFenner RD
CrossesDrainage Ditch
Location0.5 Mile N. of LA.43
RouteCounty Highway 0
CountySt. Tammany Parish
StateLouisiana
Coordinates30.31005, -89.83801
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span5 ft (1.5 m)
Deck width32 ft (9.8 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic94 (1974)
Projected traffic103 by 1994
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Fenner RD over Drainage Ditch built?

It was built in 1960, making it 65 years old in 2025.

What condition is Fenner RD over Drainage 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 January 2023.

How much traffic does Fenner RD over Drainage Ditch carry?

About 94 vehicles per day (1974 count).

How long is Fenner RD over Drainage Ditch?

The structure is 22 ft (6.7 m) long with a longest span of 5 ft (1.5 m) and a deck 32 ft wide.

Who owns Fenner RD over Drainage Ditch?

It is owned by the County Highway Agency.