US Bridges

Manuel Road over Serpent Bayou

Good

Jefferson Davis Parish, Louisiana · 2.8 Miles N of HWY 102 · Structure no. 072730243925161

Built
2003
22 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
48 ft
4 main spans
Daily traffic
150
2019 count
Owner
County
County Highway Agency

About this bridge

Manuel Road over Serpent Bayou is a concrete culvert carrying Manuel Road over Serpent Bayou in Jefferson Davis Parish, Louisiana. It was built in 2003, so it is 22 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.

It carries about 150 vehicles a day, projected to reach 165 by 2039. The structure is 48 ft (14.6 m) long and 39 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesManuel Road
CrossesSerpent Bayou
Location2.8 Miles N of HWY 102
RouteCounty Highway 0
Coordinates30.40468, -92.86023
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length48 ft (14.6 m)
Longest span11 ft (3.4 m)
Deck width39 ft (12 m)
Roadway width0 ft (0 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 closed8.1 mi (13 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 2003, making it 22 years old in 2025.

What condition is Manuel Road over Serpent 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 July 2024.

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 48 ft (14.6 m) long with a longest span of 11 ft (3.4 m) and a deck 39 ft wide.

Who owns Manuel Road over Serpent Bayou?

It is owned by the County Highway Agency.