US Bridges

SR 39 over Sowashee Creek

Good

Lauderdale County, Mississippi · 0.1 MI N I 59 · Structure no. 310003903800010

Built
1990
35 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
342 ft
1 main span
Daily traffic
26,000
2023 count
Owner
State
State Highway Agency

About this bridge

SR 39 over Sowashee Creek is a prestressed concrete stringer/multi-beam or girder carrying SR 39 over Sowashee Creek in Lauderdale County, Mississippi. It was built in 1990, so it is 35 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 26,000 vehicles a day, roughly 4% of them trucks, projected to reach 26,000 by 2043. The structure is 342 ft (104.2 m) long and 83 ft wide. If it were closed, the detour would be 51 mi (82 km).

CarriesSR 39
CrossesSowashee Creek
Location0.1 MI N I 59
RouteState Highway 39
Coordinates32.36826, -88.67589
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating36.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+5 approach)
Design loadHS 20
Structure length342 ft (104.2 m)
Longest span90 ft (27.4 m)
Deck width83 ft (25.3 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,000 (2023)
Projected traffic26,000 by 2043
Trucks4%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed51 mi (82 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$458 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 39 over Sowashee Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is SR 39 over Sowashee Creek 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 March 2023.

How much traffic does SR 39 over Sowashee Creek carry?

About 26,000 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is SR 39 over Sowashee Creek?

The structure is 342 ft (104.2 m) long with a longest span of 90 ft (27.4 m) and a deck 83 ft wide.

Who owns SR 39 over Sowashee Creek?

It is owned by the State Highway Agency.