US Bridges

I 59 Frontage RD over Sowashee Creek

Good

Lauderdale County, Mississippi · 0.6 MI E US 11 · Structure no. 18000590381509A

Built
1973
52 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
382 ft
1 main span
Daily traffic
340
2023 count
Owner
State
State Highway Agency

About this bridge

I 59 Frontage RD over Sowashee Creek is a prestressed concrete stringer/multi-beam or girder carrying I 59 Frontage RD over Sowashee Creek in Lauderdale County, Mississippi. It was built in 1973, so it is 52 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 340 vehicles a day, roughly 6% of them trucks, projected to reach 420 by 2043. The structure is 382 ft (116.4 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 59 Frontage RD
CrossesSowashee Creek
Location0.6 MI E US 11
Coordinates32.35033, -88.72471
Functional classUrban Local

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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating54 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+6 approach)
Design loadHS 20
Structure length382 ft (116.4 m)
Longest span80 ft (24.4 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic340 (2023)
Projected traffic420 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 I 59 Frontage RD over Sowashee Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is I 59 Frontage RD 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 May 2023.

How much traffic does I 59 Frontage RD over Sowashee Creek carry?

About 340 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is I 59 Frontage RD over Sowashee Creek?

The structure is 382 ft (116.4 m) long with a longest span of 80 ft (24.4 m) and a deck 30 ft wide.

Who owns I 59 Frontage RD over Sowashee Creek?

It is owned by the State Highway Agency.