US Bridges

SR 178 over Little Tallahatchie

Good

Union County, Mississippi · 1.2 MI W SR 15 · Structure no. 310017807306400

Built
2005
20 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
692 ft
3 main spans
Daily traffic
14,000
2023 count
Owner
State
State Highway Agency

About this bridge

SR 178 over Little Tallahatchie is a prestressed concrete stringer/multi-beam or girder carrying SR 178 over Little Tallahatchie in Union County, Mississippi. It was built in 2005, so it is 20 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 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 14,000 vehicles a day, roughly 1% of them trucks, projected to reach 15,000 by 2043. The structure is 692 ft (210.8 m) long and 92 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR 178
CrossesLittle Tallahatchie
Location1.2 MI W SR 15
RouteState Highway 178
Coordinates34.49527, -89.0138
Functional classUrban Other Principal Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.3 US tons
Inventory rating38.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3 (+11 approach)
Design loadHS 20
Structure length692 ft (210.8 m)
Longest span110 ft (33.5 m)
Deck width92 ft (28 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,000 (2023)
Projected traffic15,000 by 2043
Trucks1%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 178 over Little Tallahatchie built?

It was built in 2005, making it 20 years old in 2025.

What condition is SR 178 over Little Tallahatchie 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 2024.

How much traffic does SR 178 over Little Tallahatchie carry?

About 14,000 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is SR 178 over Little Tallahatchie?

The structure is 692 ft (210.8 m) long with a longest span of 110 ft (33.5 m) and a deck 92 ft wide.

Who owns SR 178 over Little Tallahatchie?

It is owned by the State Highway Agency.