US Bridges

SR 503 over Potterchitto Creek

Good

Newton County, Mississippi · 0.7 MI S US 80 · Structure no. 310050305103000

Built
2012
13 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
372 ft
1 main span
Daily traffic
1,100
2023 count
Owner
State
State Highway Agency

About this bridge

SR 503 over Potterchitto Creek is a prestressed concrete stringer/multi-beam or girder carrying SR 503 over Potterchitto Creek in Newton County, Mississippi. It was built in 2012, so it is 13 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,100 vehicles a day, roughly 11% of them trucks, projected to reach 1,100 by 2043. The structure is 372 ft (113.3 m) long and 37 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesSR 503
CrossesPotterchitto Creek
Location0.7 MI S US 80
RouteState Highway 503
Coordinates32.30866, -89.02635
Functional classRural Major 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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.9 US tons
Inventory rating42.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+6 approach)
Design loadHL 93
Structure length372 ft (113.3 m)
Longest span100 ft (30.5 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2023)
Projected traffic1,100 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 503 over Potterchitto Creek built?

It was built in 2012, making it 13 years old in 2025.

What condition is SR 503 over Potterchitto Creek 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 January 2025.

How much traffic does SR 503 over Potterchitto Creek carry?

About 1,100 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 503 over Potterchitto Creek?

The structure is 372 ft (113.3 m) long with a longest span of 100 ft (30.5 m) and a deck 37 ft wide.

Who owns SR 503 over Potterchitto Creek?

It is owned by the State Highway Agency.