US Bridges

SR 32 over Porter Lake

Fair

Bolivar County, Mississippi · 2.6 MI E SR 1 · Structure no. 310003200600260

Built
1990
35 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
182 ft
3 main spans
Daily traffic
400
2023 count
Owner
State
State Highway Agency

About this bridge

SR 32 over Porter Lake is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 32 over Porter Lake in Bolivar County, Mississippi. It was built in 1990, so it is 35 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 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 400 vehicles a day, roughly 11% of them trucks, projected to reach 400 by 2043. The structure is 182 ft (55.5 m) long and 37 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesSR 32
CrossesPorter Lake
Location2.6 MI E SR 1
RouteState Highway 32
Coordinates33.95735, -90.87726
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.1 US tons
Inventory rating36.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20
Structure length182 ft (55.5 m)
Longest span40 ft (12.2 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2023)
Projected traffic400 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR 32 over Porter Lake built?

It was built in 1990, making it 35 years old in 2025.

What condition is SR 32 over Porter Lake 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 July 2023.

How much traffic does SR 32 over Porter Lake carry?

About 400 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 32 over Porter Lake?

The structure is 182 ft (55.5 m) long with a longest span of 40 ft (12.2 m) and a deck 37 ft wide.

Who owns SR 32 over Porter Lake?

It is owned by the State Highway Agency.