US Bridges

Old Jackson Rd. over South Canal

Fair

Scott County, Mississippi · Sec 34 T 8N R 9E B · Structure no. SA6200000000143

Built
1974
51 years old
Condition
Fair
inspected February 2024
Type
Channel Beam
Concrete
Length
114 ft
6 main spans
Daily traffic
180
2017 count
Owner
County
County Highway Agency

About this bridge

Old Jackson Rd. over South Canal is a concrete channel beam carrying Old Jackson Rd. over South Canal in Scott County, Mississippi. It was built in 1974, so it is 51 years old, older 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 180 vehicles a day, roughly 8% of them trucks, projected to reach 280 by 2044. The structure is 114 ft (34.7 m) long and 28 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesOld Jackson Rd.
CrossesSouth Canal
LocationSec 34 T 8N R 9E B
RouteCounty Highway 57
Coordinates32.48989, -89.35439
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating38.6 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans6
Design loadH 15
Structure length114 ft (34.7 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 traffic180 (2017)
Projected traffic280 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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$390,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Jackson Rd. over South Canal built?

It was built in 1974, making it 51 years old in 2025.

What condition is Old Jackson Rd. over South Canal 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 February 2024.

How much traffic does Old Jackson Rd. over South Canal carry?

About 180 vehicles per day (2017 count), of which roughly 8% are trucks.

How long is Old Jackson Rd. over South Canal?

The structure is 114 ft (34.7 m) long with a longest span of 19 ft (5.8 m) and a deck 28 ft wide.

Who owns Old Jackson Rd. over South Canal?

It is owned by the County Highway Agency.