US Bridges

SR 3 over Lost Lake Bayou

FairPosted for load

Tunica County, Mississippi · 11.0 MI N SR 4 · Structure no. 310000307219570

Built
1959
66 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete
Length
90 ft
3 main spans
Daily traffic
1,800
2023 count
Owner
State
State Highway Agency

About this bridge

SR 3 over Lost Lake Bayou is a concrete slab carrying SR 3 over Lost Lake Bayou in Tunica County, Mississippi. It was built in 1959, so it is 66 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 1,800 vehicles a day, roughly 14% of them trucks, projected to reach 1,800 by 2043. The structure is 90 ft (27.4 m) long and 29 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

Location

Open in Google Maps
CarriesSR 3
CrossesLost Lake Bayou
Location11.0 MI N SR 4
RouteState Highway 3
CountyTunica County
StateMississippi
Coordinates34.78863, -90.24416
Functional classRural Minor Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.5 US tons
Inventory rating27.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length90 ft (27.4 m)
Longest span30 ft (9.1 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2023)
Projected traffic1,800 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$939 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 3 over Lost Lake Bayou built?

It was built in 1959, making it 66 years old in 2025.

What condition is SR 3 over Lost Lake 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 2023.

How much traffic does SR 3 over Lost Lake Bayou carry?

About 1,800 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SR 3 over Lost Lake Bayou?

The structure is 90 ft (27.4 m) long with a longest span of 30 ft (9.1 m) and a deck 29 ft wide.

Who owns SR 3 over Lost Lake Bayou?

It is owned by the State Highway Agency.