US Bridges

SR 57 over Little Bluff Creek

Good

Jackson County, Mississippi · 6.2 MI N I 10 · Structure no. 310005703000700

Built
1980
45 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
120 ft
3 main spans
Daily traffic
12,000
2023 count
Owner
State
State Highway Agency

About this bridge

SR 57 over Little Bluff Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 57 over Little Bluff Creek in Jackson County, Mississippi. It was built in 1980, so it is 45 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 12,000 vehicles a day, roughly 14% of them trucks, projected to reach 12,000 by 2043. The structure is 120 ft (36.6 m) long and 42 ft wide. If it were closed, the detour would be 65.2 mi (105 km).

CarriesSR 57
CrossesLittle Bluff Creek
Location6.2 MI N I 10
RouteState Highway 57
Coordinates30.51689, -88.69394
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum 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 rating54.1 US tons
Inventory rating32.4 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width42 ft (12.7 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,000 (2023)
Projected traffic12,000 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed65.2 mi (105 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$473 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 57 over Little Bluff Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is SR 57 over Little Bluff 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 August 2023.

How much traffic does SR 57 over Little Bluff Creek carry?

About 12,000 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SR 57 over Little Bluff Creek?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 42 ft wide.

Who owns SR 57 over Little Bluff Creek?

It is owned by the State Highway Agency.