US Bridges

SR 442 over Slough

Fair

Sunflower County, Mississippi · 2.1 MI E US 49W · Structure no. 310044206701930

Built
1941
84 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
29 ft
3 main spans
Daily traffic
910
2023 count
Owner
State
State Highway Agency

About this bridge

SR 442 over Slough is a concrete culvert carrying SR 442 over Slough in Sunflower County, Mississippi. It was built in 1941, so it is 84 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 910 vehicles a day, roughly 11% of them trucks, projected to reach 910 by 2043. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 26.7 mi (43 km).

CarriesSR 442
CrossesSlough
Location2.1 MI E US 49W
RouteState Highway 442
Coordinates33.65719, -90.48671
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.3 US tons
Inventory rating27.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length29 ft (8.8 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic910 (2023)
Projected traffic910 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 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 SR 442 over Slough built?

It was built in 1941, making it 84 years old in 2025.

What condition is SR 442 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 March 2024.

How much traffic does SR 442 over Slough carry?

About 910 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 442 over Slough?

The structure is 29 ft (8.8 m) long with a longest span of 9 ft (2.7 m).

Who owns SR 442 over Slough?

It is owned by the State Highway Agency.