US Bridges

SR 607 over Second Alligator Branch

Good

Hancock County, Mississippi · 0.1 MI S Pearl River Cl · Structure no. 31006070230184B

Built
2016
9 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
182 ft
1 main span
Daily traffic
2,300
2023 count
Owner
State
State Highway Agency

About this bridge

SR 607 over Second Alligator Branch is a prestressed concrete stringer/multi-beam or girder carrying SR 607 over Second Alligator Branch in Hancock County, Mississippi. It was built in 2016, so it is 9 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,300 vehicles a day, roughly 11% of them trucks, projected to reach 2,650 by 2043. The structure is 182 ft (55.4 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 607
CrossesSecond Alligator Branch
Location0.1 MI S Pearl River Cl
RouteState Highway 607
Coordinates30.45801, -89.67598
Functional classRural Major Collector

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.6 US tons
Inventory rating50.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHL 93
Structure length182 ft (55.4 m)
Longest span100 ft (30.5 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2023)
Projected traffic2,650 by 2043
Trucks11%
Lanes on structure2
Traffic directionOne-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 SR 607 over Second Alligator Branch built?

It was built in 2016, making it 9 years old in 2025.

What condition is SR 607 over Second Alligator Branch 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 607 over Second Alligator Branch carry?

About 2,300 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 607 over Second Alligator Branch?

The structure is 182 ft (55.4 m) long with a longest span of 100 ft (30.5 m) and a deck 43 ft wide.

Who owns SR 607 over Second Alligator Branch?

It is owned by the State Highway Agency.