US Bridges

SR 43 over West Prong Silver Creek

Fair

Simpson County, Mississippi · 2.3 MI N Lawrence Cl · Structure no. 310004306411380

Built
1951
74 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete
Length
60 ft
3 main spans
Daily traffic
950
2023 count
Owner
State
State Highway Agency

About this bridge

SR 43 over West Prong Silver Creek is a concrete slab carrying SR 43 over West Prong Silver Creek in Simpson County, Mississippi. It was built in 1951, so it is 74 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.

It carries about 950 vehicles a day, roughly 11% of them trucks, projected to reach 950 by 2043. The structure is 60 ft (18.3 m) long and 27 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesSR 43
CrossesWest Prong Silver Creek
Location2.3 MI N Lawrence Cl
RouteState Highway 43
CountySimpson County
StateMississippi
Coordinates31.79291, -89.98765
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.8 US tons
Inventory rating28.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length60 ft (18.3 m)
Longest span20 ft (6.1 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic950 (2023)
Projected traffic950 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$500 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 43 over West Prong Silver Creek built?

It was built in 1951, making it 74 years old in 2025.

What condition is SR 43 over West Prong Silver Creek 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 April 2023.

How much traffic does SR 43 over West Prong Silver Creek carry?

About 950 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 43 over West Prong Silver Creek?

The structure is 60 ft (18.3 m) long with a longest span of 20 ft (6.1 m) and a deck 27 ft wide.

Who owns SR 43 over West Prong Silver Creek?

It is owned by the State Highway Agency.