US Bridges

SR 145 over Sowashee Creek

Fair

Lauderdale County, Mississippi · 0.1 MI N I 20/I 59 · Structure no. 310014503807190

Built
1990
35 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
352 ft
1 main span
Daily traffic
7,900
2023 count
Owner
State
State Highway Agency

About this bridge

SR 145 over Sowashee Creek is a prestressed concrete stringer/multi-beam or girder carrying SR 145 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 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 7,900 vehicles a day, roughly 6% of them trucks, projected to reach 7,900 by 2043. The structure is 352 ft (107.3 m) long and 103 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesSR 145
CrossesSowashee Creek
Location0.1 MI N I 20/I 59
RouteState Highway 145
Coordinates32.35467, -88.692
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.3 US tons
Inventory rating36.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+6 approach)
Design loadHS 20
Structure length352 ft (107.3 m)
Longest span100 ft (30.5 m)
Deck width103 ft (31.3 m)
Roadway width100 ft (30.5 m)
Vertical clearance over deck19 ft (5.8 m)

Traffic and service

Average daily traffic7,900 (2023)
Projected traffic7,900 by 2043
Trucks6%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 145 over Sowashee Creek built?

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

What condition is SR 145 over Sowashee Creek 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 2023.

How much traffic does SR 145 over Sowashee Creek carry?

About 7,900 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is SR 145 over Sowashee Creek?

The structure is 352 ft (107.3 m) long with a longest span of 100 ft (30.5 m) and a deck 103 ft wide.

Who owns SR 145 over Sowashee Creek?

It is owned by the State Highway Agency.