US Bridges

Polasini Lane over Six Mile Bayou

FairPosted for load

Washington County, Mississippi · Sec 2 T18N R 6W · Structure no. SA7600000000210

Built
1960
65 years old, rebuilt 2019
Condition
Fair
inspected September 2024
Type
Channel Beam
Concrete
Length
57 ft
3 main spans
Daily traffic
40
2023 count
Owner
County
County Highway Agency

About this bridge

Polasini Lane over Six Mile Bayou is a concrete channel beam carrying Polasini Lane over Six Mile Bayou in Washington County, Mississippi. It was built in 1960 and reconstructed in 2019, so it is 65 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. Its operating status is: posted for load restriction.

It carries about 40 vehicles a day, roughly 8% of them trucks, projected to reach 56 by 2043. The structure is 57 ft (17.4 m) long and 33 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesPolasini Lane
CrossesSix Mile Bayou
LocationSec 2 T18N R 6W
RouteCounty Highway 822
CountyWashington County
StateMississippi
Coordinates33.44088, -90.79337
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating21.3 US tons
Inventory rating12.6 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2023)
Projected traffic56 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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$626,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Polasini Lane over Six Mile Bayou built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2019.

What condition is Polasini Lane over Six Mile 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 September 2024.

How much traffic does Polasini Lane over Six Mile Bayou carry?

About 40 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Polasini Lane over Six Mile Bayou?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 33 ft wide.

Who owns Polasini Lane over Six Mile Bayou?

It is owned by the County Highway Agency.