US Bridges

Manuel Road over Serpent Bayou

Fair

Jefferson Davis Parish, Louisiana · 1.6 MI N of LA 102 · Structure no. 072700000070254

Built
2017
8 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete
Length
91 ft
5 main spans
Daily traffic
150
2019 count
Owner
County
County Highway Agency

About this bridge

Manuel Road over Serpent Bayou is a concrete slab carrying Manuel Road over Serpent Bayou in Jefferson Davis Parish, Louisiana. It was built in 2017, so it is 8 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 5 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 150 vehicles a day, projected to reach 165 by 2039. The structure is 91 ft (27.7 m) long and 27 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesManuel Road
CrossesSerpent Bayou
Location1.6 MI N of LA 102
RouteCounty Highway 0
CountyJefferson Davis Parish
StateLouisiana
Coordinates30.38696, -92.86015
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating50.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadHL 93
Structure length91 ft (27.7 m)
Longest span19 ft (5.8 m)
Deck width27 ft (8.1 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2019)
Projected traffic165 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Manuel Road over Serpent Bayou built?

It was built in 2017, making it 8 years old in 2025.

What condition is Manuel Road over Serpent 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 November 2023.

How much traffic does Manuel Road over Serpent Bayou carry?

About 150 vehicles per day (2019 count).

How long is Manuel Road over Serpent Bayou?

The structure is 91 ft (27.7 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.

Who owns Manuel Road over Serpent Bayou?

It is owned by the County Highway Agency.