US Bridges

Hermitage RD over Hermitage Bayou

Good

Plaquemines Parish, Louisiana · 5.05 Mi. W. of LA 23 · Structure no. 023800000020330

Built
2013
12 years old
Condition
Good
inspected January 2023
Type
Slab
Concrete
Length
220 ft
11 main spans
Daily traffic
—
2016 count
Owner
County
County Highway Agency

About this bridge

Hermitage RD over Hermitage Bayou is a concrete slab carrying Hermitage RD over Hermitage Bayou in Plaquemines Parish, Louisiana. It was built in 2013, so it is 12 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

No traffic count is recorded. The structure is 220 ft (67.1 m) long and 14 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesHermitage RD
CrossesHermitage Bayou
Location5.05 Mi. W. of LA 23
RouteCounty Highway 0
CountyPlaquemines Parish
StateLouisiana
Coordinates29.55875, -89.88433
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
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 evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating105.7 US tons
Inventory rating81.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans11
Design loadHS 20
Structure length220 ft (67.1 m)
Longest span20 ft (6.1 m)
Deck width14 ft (4.3 m)
Roadway width11 ft (3.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic—
Projected traffic—
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

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 Hermitage Bayou built?

It was built in 2013, making it 12 years old in 2025.

What condition is Hermitage RD over Hermitage Bayou in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2023.

How much traffic does Hermitage RD over Hermitage Bayou carry?

No traffic count is recorded for this structure.

How long is Hermitage RD over Hermitage Bayou?

The structure is 220 ft (67.1 m) long with a longest span of 20 ft (6.1 m) and a deck 14 ft wide.

Who owns Hermitage RD over Hermitage Bayou?

It is owned by the County Highway Agency.