US Bridges

Big Point Road over Canal-Poll Contrl

Poor

Jackson County, Mississippi · Sec 31 T 5S R 5W · Structure no. SA3000000000030

Built
1974
51 years old
Condition
Poor
inspected December 2024
Type
Culvert
Concrete
Length
31 ft
2 main spans
Daily traffic
600
2024 count
Owner
County
County Highway Agency

About this bridge

Big Point Road over Canal-Poll Contrl is a concrete culvert carrying Big Point Road over Canal-Poll Contrl in Jackson 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 600 vehicles a day, roughly 10% of them trucks, projected to reach 1,200 by 2044. The structure is 31 ft (9.4 m) long and 44 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesBig Point Road
CrossesCanal-Poll Contrl
LocationSec 31 T 5S R 5W
RouteCounty Highway 8121
Coordinates30.57083, -88.51444
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.2 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length31 ft (9.4 m)
Longest span16 ft (4.9 m)
Deck width44 ft (13.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2024)
Projected traffic1,200 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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$700,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Big Point Road over Canal-Poll Contrl built?

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

What condition is Big Point Road over Canal-Poll Contrl in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2024.

How much traffic does Big Point Road over Canal-Poll Contrl carry?

About 600 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Big Point Road over Canal-Poll Contrl?

The structure is 31 ft (9.4 m) long with a longest span of 16 ft (4.9 m) and a deck 44 ft wide.

Who owns Big Point Road over Canal-Poll Contrl?

It is owned by the County Highway Agency.