US Bridges

Ft Bayou Ramp Road over Old Fort Bayou

Fair

Jackson County, Mississippi · Sec 19 T 7S R 8W · Structure no. SA3000000000161

Built
2001
24 years old
Condition
Fair
inspected December 2024
Type
Channel Beam
Concrete
Length
57 ft
3 main spans
Daily traffic
103
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ft Bayou Ramp Road over Old Fort Bayou is a concrete channel beam carrying Ft Bayou Ramp Road over Old Fort Bayou in Jackson County, Mississippi. It was built in 2001, so it is 24 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 103 vehicles a day, projected to reach 154 by 2044. The structure is 57 ft (17.4 m) long and 28 ft wide.

CarriesFt Bayou Ramp Road
CrossesOld Fort Bayou
LocationSec 19 T 7S R 8W
RouteCity Street 100
Coordinates30.42154, -88.82833
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 spans3
Design loadHS 15
Structure length57 ft (17.4 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 traffic103 (2024)
Projected traffic154 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$380,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Ft Bayou Ramp Road over Old Fort Bayou built?

It was built in 2001, making it 24 years old in 2025.

What condition is Ft Bayou Ramp Road over Old Fort 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 December 2024.

How much traffic does Ft Bayou Ramp Road over Old Fort Bayou carry?

About 103 vehicles per day (2024 count).

How long is Ft Bayou Ramp Road over Old Fort Bayou?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 28 ft wide.

Who owns Ft Bayou Ramp Road over Old Fort Bayou?

It is owned by the City or Municipal Highway Agency.