US Bridges

Smith Co. 583 over Bch of Leaf River

Good

Smith County, Mississippi · Sec 19 T 4N R 9E · Structure no. SA6500000000113

Built
1995
30 years old
Condition
Good
inspected September 2023
Type
Channel Beam
Concrete
Length
39 ft
200 main spans
Daily traffic
20
2024 count
Owner
County
County Highway Agency

About this bridge

Smith Co. 583 over Bch of Leaf River is a concrete channel beam carrying Smith Co. 583 over Bch of Leaf River in Smith County, Mississippi. It was built in 1995, so it is 30 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 20 vehicles a day, roughly 10% of them trucks, projected to reach 30 by 2044. The structure is 39 ft (12 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSmith Co. 583
CrossesBch of Leaf River
LocationSec 19 T 4N R 9E
RouteCounty Highway 76
Coordinates32.17857, -89.42321
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 alignment7: Better than present minimum criteria
Operating rating65.5 US tons
Inventory rating39.2 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans200
Design loadH 15
Structure length39 ft (12 m)
Longest span20 ft (6 m)
Deck width16 ft (5 m)
Roadway width13 ft (4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2024)
Projected traffic30 by 2044
Trucks10%
Lanes on structure10
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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$700,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Smith Co. 583 over Bch of Leaf River built?

It was built in 1995, making it 30 years old in 2025.

What condition is Smith Co. 583 over Bch of Leaf River 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 September 2023.

How much traffic does Smith Co. 583 over Bch of Leaf River carry?

About 20 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Smith Co. 583 over Bch of Leaf River?

The structure is 39 ft (12 m) long with a longest span of 20 ft (6 m) and a deck 16 ft wide.

Who owns Smith Co. 583 over Bch of Leaf River?

It is owned by the County Highway Agency.