US Bridges

Smith Co. 93 over Branch of Leaf River

Good

Smith County, Mississippi · Sec 36 T 2N R 8E B · Structure no. SA6500000000021

Built
1979
46 years old
Condition
Good
inspected September 2023
Type
Channel Beam
Concrete
Length
56 ft
300 main spans
Daily traffic
350
2022 count
Owner
County
County Highway Agency

About this bridge

Smith Co. 93 over Branch of Leaf River is a concrete channel beam carrying Smith Co. 93 over Branch of Leaf River in Smith County, Mississippi. It was built in 1979, so it is 46 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 350 vehicles a day, roughly 10% of them trucks, projected to reach 525 by 2043. The structure is 56 ft (17 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSmith Co. 93
CrossesBranch of Leaf River
LocationSec 36 T 2N R 8E B
RouteCounty Highway 92
Coordinates31.96113, -89.43906
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum 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 rating64.8 US tons
Inventory rating38.9 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans300
Design loadH 15
Structure length56 ft (17 m)
Longest span20 ft (6 m)
Deck width30 ft (9 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2022)
Projected traffic525 by 2043
Trucks10%
Lanes on structure20
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$750,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Smith Co. 93 over Branch of Leaf River built?

It was built in 1979, making it 46 years old in 2025.

What condition is Smith Co. 93 over Branch 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. 93 over Branch of Leaf River carry?

About 350 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Smith Co. 93 over Branch of Leaf River?

The structure is 56 ft (17 m) long with a longest span of 20 ft (6 m) and a deck 30 ft wide.

Who owns Smith Co. 93 over Branch of Leaf River?

It is owned by the County Highway Agency.