US Bridges

US 49E over Black Bayou

Good

Tallahatchie County, Mississippi · 5.2 MI N SR 8 · Structure no. 210004926827850

Built
2020
5 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
602 ft
6 main spans
Daily traffic
1,400
2023 count
Owner
State
State Highway Agency

About this bridge

US 49E over Black Bayou is a prestressed concrete continuous stringer/multi-beam or girder carrying US 49E over Black Bayou in Tallahatchie County, Mississippi. It was built in 2020, so it is 5 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 1,400 vehicles a day, roughly 14% of them trucks, projected to reach 1,400 by 2043. The structure is 602 ft (183.6 m) long and 43 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesUS 49E
CrossesBlack Bayou
Location5.2 MI N SR 8
RouteU.S. Route 49
Coordinates33.8198, -90.30247
Functional classRural Minor Arterial

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 protection9 ExcellentNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.1 US tons
Inventory rating50.3 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHL 93
Structure length602 ft (183.6 m)
Longest span100 ft (30.5 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2023)
Projected traffic1,400 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 US 49E over Black Bayou built?

It was built in 2020, making it 5 years old in 2025.

What condition is US 49E over Black Bayou 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 2024.

How much traffic does US 49E over Black Bayou carry?

About 1,400 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is US 49E over Black Bayou?

The structure is 602 ft (183.6 m) long with a longest span of 100 ft (30.5 m) and a deck 43 ft wide.

Who owns US 49E over Black Bayou?

It is owned by the State Highway Agency.