US Bridges

US 80 over Slough

FairPosted for load

Lauderdale County, Mississippi · 0.5 MI E Newton Cl · Structure no. 210008003812350

Built
1928
97 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Concrete
Length
80 ft
3 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 870 vehicles a day, roughly 8% of them trucks, projected to reach 870 by 2043. The structure is 80 ft (24.4 m) long and 23 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesUS 80
CrossesSlough
Location0.5 MI E Newton Cl
RouteU.S. Route 80
CountyLauderdale County
StateMississippi
Coordinates32.32469, -88.90681
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating40.3 US tons
Inventory rating24.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length80 ft (24.4 m)
Longest span24 ft (7.3 m)
Deck width23 ft (6.9 m)
Roadway width21 ft (6.3 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$932 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 fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. 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 80 ft (24.4 m) long with a longest span of 24 ft (7.3 m) and a deck 23 ft wide.

Who owns US 80 over Slough?

It is owned by the State Highway Agency.