US Bridges

Smith Co. 503 over Hatchapaloo Creek

Fair

Smith County, Mississippi · Sec 12 T 1N R 6E B · Structure no. SA6500000000004

Built
2006
19 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
479 ft
120 main spans
Daily traffic
400
2024 count
Owner
County
County Highway Agency

About this bridge

Smith Co. 503 over Hatchapaloo Creek is a prestressed concrete stringer/multi-beam or girder carrying Smith Co. 503 over Hatchapaloo Creek in Smith County, Mississippi. It was built in 2006, so it is 19 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 8% of them trucks, projected to reach 600 by 2044. The structure is 479 ft (146 m) long and 31 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesSmith Co. 503
CrossesHatchapaloo Creek
LocationSec 12 T 1N R 6E B
RouteCounty Highway 327
Coordinates31.941, -89.64111
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.8 US tons
Inventory rating48.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans120
Design loadHS 20
Structure length479 ft (146 m)
Longest span39 ft (12 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2024)
Projected traffic600 by 2044
Trucks8%
Lanes on structure20
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$2.8 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Smith Co. 503 over Hatchapaloo Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is Smith Co. 503 over Hatchapaloo 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 September 2024.

How much traffic does Smith Co. 503 over Hatchapaloo Creek carry?

About 400 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Smith Co. 503 over Hatchapaloo Creek?

The structure is 479 ft (146 m) long with a longest span of 39 ft (12 m) and a deck 31 ft wide.

Who owns Smith Co. 503 over Hatchapaloo Creek?

It is owned by the County Highway Agency.