US Bridges

Big Point Road over Relief-Lake-Poll Contrl

Good

Jackson County, Mississippi · Sec 36 T 5S R 6W · Structure no. SA300000000A037

Built
2020
5 years old
Condition
Good
inspected November 2024
Type
Channel Beam
Concrete
Length
207 ft
9 main spans
Daily traffic
600
2024 count
Owner
County
County Highway Agency

About this bridge

Big Point Road over Relief-Lake-Poll Contrl is a concrete channel beam carrying Big Point Road over Relief-Lake-Poll Contrl in Jackson County, Mississippi. It was built in 2020, so it is 5 years old, younger than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 600 vehicles a day, roughly 10% of them trucks, projected to reach 1,000 by 2044. The structure is 207 ft (63.1 m) long and 31 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesBig Point Road
CrossesRelief-Lake-Poll Contrl
LocationSec 36 T 5S R 6W
RouteCounty Highway 8121
Coordinates30.57381, -88.53432
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans9
Design loadHL 93
Structure length207 ft (63.1 m)
Longest span31 ft (9.4 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2024)
Projected traffic1,000 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Big Point Road over Relief-Lake-Poll Contrl built?

It was built in 2020, making it 5 years old in 2025.

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

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

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

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

How long is Big Point Road over Relief-Lake-Poll Contrl?

The structure is 207 ft (63.1 m) long with a longest span of 31 ft (9.4 m) and a deck 31 ft wide.

Who owns Big Point Road over Relief-Lake-Poll Contrl?

It is owned by the County Highway Agency.