US Bridges

Hermitage RD over Suzie Bayou

Fair

Plaquemines Parish, Louisiana · 1.4 Ni.West of HWY 23. · Structure no. 023829361895471

Built
1997
28 years old
Condition
Fair
inspected January 2023
Type
Slab
Concrete
Length
76 ft
4 main spans
Daily traffic
—
2016 count
Owner
County
County Highway Agency

About this bridge

Hermitage RD over Suzie Bayou is a concrete slab carrying Hermitage RD over Suzie Bayou in Plaquemines Parish, Louisiana. It was built in 1997, so it is 28 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.

No traffic count is recorded. The structure is 76 ft (23.2 m) long and 31 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesHermitage RD
CrossesSuzie Bayou
Location1.4 Ni.West of HWY 23.
RouteCounty Highway 0
Coordinates29.60116, -89.91028
Functional classRural Minor Arterial

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 inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.7 US tons
Inventory rating46.7 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 width31 ft (9.3 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic—
Projected traffic—
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Hermitage RD over Suzie Bayou built?

It was built in 1997, making it 28 years old in 2025.

What condition is Hermitage RD over Suzie 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 January 2023.

How much traffic does Hermitage RD over Suzie Bayou carry?

No traffic count is recorded for this structure.

How long is Hermitage RD over Suzie Bayou?

The structure is 76 ft (23.2 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns Hermitage RD over Suzie Bayou?

It is owned by the County Highway Agency.