US Bridges

SR 43 over Orphan Creek

Good

Hancock County, Mississippi · 3.0 MI W SR 603 · Structure no. 310004302301430

Built
1963
62 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
160 ft
4 main spans
Daily traffic
4,200
2023 count
Owner
State
State Highway Agency

About this bridge

SR 43 over Orphan Creek is a prestressed concrete stringer/multi-beam or girder carrying SR 43 over Orphan Creek in Hancock County, Mississippi. It was built in 1963, so it is 62 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 4,200 vehicles a day, roughly 14% of them trucks, projected to reach 4,200 by 2043. The structure is 160 ft (48.8 m) long and 33 ft wide. If it were closed, the detour would be 54.1 mi (87 km).

CarriesSR 43
CrossesOrphan Creek
Location3.0 MI W SR 603
RouteState Highway 43
Coordinates30.45484, -89.47442
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.3 US tons
Inventory rating62.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length160 ft (48.8 m)
Longest span40 ft (12.2 m)
Deck width33 ft (10 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,200 (2023)
Projected traffic4,200 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed54.1 mi (87 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 of existing bridge without deck rehabilitation
Estimated improvement cost$324 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 43 over Orphan Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is SR 43 over Orphan 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 February 2023.

How much traffic does SR 43 over Orphan Creek carry?

About 4,200 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SR 43 over Orphan Creek?

The structure is 160 ft (48.8 m) long with a longest span of 40 ft (12.2 m) and a deck 33 ft wide.

Who owns SR 43 over Orphan Creek?

It is owned by the State Highway Agency.