US Bridges

SR 3 over Slough

Good

Tunica County, Mississippi · 8.4 MI N SR 4 · Structure no. 310000307219290

Built
1959
66 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete
Length
23 ft
1 main span
Daily traffic
1,500
2023 count
Owner
State
State Highway Agency

About this bridge

SR 3 over Slough is a concrete culvert carrying SR 3 over Slough in Tunica County, Mississippi. It was built in 1959, so it is 66 years old, older 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 1,500 vehicles a day, roughly 9% of them trucks, projected to reach 1,500 by 2043. The structure is 23 ft (7 m) long. If it were closed, the detour would be 26.7 mi (43 km).

CarriesSR 3
CrossesSlough
Location8.4 MI N SR 4
RouteState Highway 3
Coordinates34.75088, -90.24587
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.4 US tons
Inventory rating40.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 15
Structure length23 ft (7 m)
Longest span23 ft (7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2023)
Projected traffic1,500 by 2043
Trucks9%
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 3 over Slough built?

It was built in 1959, making it 66 years old in 2025.

What condition is SR 3 over Slough 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 December 2023.

How much traffic does SR 3 over Slough carry?

About 1,500 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is SR 3 over Slough?

The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m).

Who owns SR 3 over Slough?

It is owned by the State Highway Agency.