US Bridges

US 80 over Slough

Poor

Lauderdale County, Mississippi · 0.1 MI E Newton Cl · Structure no. 210008003812310

Built
1928
97 years old
Condition
Poor
inspected April 2024
Type
Tee Beam
Concrete
Length
143 ft
5 main spans
Daily traffic
870
2023 count
Owner
State
State Highway Agency

About this bridge

US 80 over Slough is a concrete tee beam carrying US 80 over Slough in Lauderdale County, Mississippi. It was built in 1928, so it is 97 years old, older than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 870 vehicles a day, roughly 8% of them trucks, projected to reach 870 by 2043. The structure is 143 ft (43.6 m) long and 22 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesUS 80
CrossesSlough
Location0.1 MI E Newton Cl
RouteU.S. Route 80
Coordinates32.3276, -88.91244
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating43.9 US tons
Inventory rating26.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length143 ft (43.6 m)
Longest span26 ft (7.9 m)
Deck width22 ft (6.8 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic870 (2023)
Projected traffic870 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed14.9 mi (24 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1,000 million
NavigationNo navigation control on waterway

Frequently asked questions

When was US 80 over Slough built?

It was built in 1928, making it 97 years old in 2025.

What condition is US 80 over Slough in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does US 80 over Slough carry?

About 870 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is US 80 over Slough?

The structure is 143 ft (43.6 m) long with a longest span of 26 ft (7.9 m) and a deck 22 ft wide.

Who owns US 80 over Slough?

It is owned by the State Highway Agency.