US Bridges

Rivera Rd. over Porteaux Bay

Fair

Jackson County, Mississippi · Sec 14 T 7S R 9W · Structure no. SA3000000000176

Built
2000
25 years old
Condition
Fair
inspected December 2024
Type
Channel Beam
Concrete
Length
38 ft
2 main spans
Daily traffic
616
2024 count
Owner
County
County Highway Agency

About this bridge

Rivera Rd. over Porteaux Bay is a concrete channel beam carrying Rivera Rd. over Porteaux Bay in Jackson County, Mississippi. It was built in 2000, so it is 25 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 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 616 vehicles a day, roughly 10% of them trucks, projected to reach 923 by 2044. The structure is 38 ft (11.6 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRivera Rd.
CrossesPorteaux Bay
LocationSec 14 T 7S R 9W
RouteCity Street 0
CountyJackson County
StateMississippi
Coordinates30.44043, -88.85394
Functional classUrban 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93.6 US tons
Inventory rating56.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 15
Structure length38 ft (11.6 m)
Longest span19 ft (5.8 m)
Deck width28 ft (8.6 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic616 (2024)
Projected traffic923 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Rivera Rd. over Porteaux Bay built?

It was built in 2000, making it 25 years old in 2025.

What condition is Rivera Rd. over Porteaux Bay 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 December 2024.

How much traffic does Rivera Rd. over Porteaux Bay carry?

About 616 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Rivera Rd. over Porteaux Bay?

The structure is 38 ft (11.6 m) long with a longest span of 19 ft (5.8 m) and a deck 28 ft wide.

Who owns Rivera Rd. over Porteaux Bay?

It is owned by the County Highway Agency.