US Bridges

Gibert Road over Porter Bayou

Fair

Bolivar County, Mississippi · Sec 1 T20N R 6W B · Structure no. SA060000000A001

Built
2015
10 years old
Condition
Fair
inspected January 2024
Type
Channel Beam
Concrete
Length
95 ft
5 main spans
Daily traffic
250
2024 count
Owner
County
County Highway Agency

About this bridge

Gibert Road over Porter Bayou is a concrete channel beam carrying Gibert Road over Porter Bayou in Bolivar County, Mississippi. It was built in 2015, so it is 10 years old, younger than the Mississippi average of 38.9 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 250 vehicles a day, roughly 8% of them trucks, projected to reach 375 by 2044. The structure is 95 ft (29 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesGibert Road
CrossesPorter Bayou
LocationSec 1 T20N R 6W B
RouteCounty Highway 0
CountyBolivar County
StateMississippi
Coordinates33.60656, -90.78112
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating38.9 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadH 15
Structure length95 ft (29 m)
Longest span19 ft (5.8 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2024)
Projected traffic375 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$269,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Gibert Road over Porter Bayou built?

It was built in 2015, making it 10 years old in 2025.

What condition is Gibert Road over Porter 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 2024.

How much traffic does Gibert Road over Porter Bayou carry?

About 250 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Gibert Road over Porter Bayou?

The structure is 95 ft (29 m) long with a longest span of 19 ft (5.8 m) and a deck 28 ft wide.

Who owns Gibert Road over Porter Bayou?

It is owned by the County Highway Agency.