US Bridges

SR 607 over First Alligator Branch

Good

Pearl River County, Mississippi · 0.4 MI N Hancock Cl · Structure no. 310060705501900

Built
2015
10 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
160 ft
2 main spans
Daily traffic
4,600
2023 count
Owner
State
State Highway Agency

About this bridge

SR 607 over First Alligator Branch is a prestressed concrete stringer/multi-beam or girder carrying SR 607 over First Alligator Branch in Pearl River County, Mississippi. It was built in 2015, so it is 10 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 4,600 vehicles a day, roughly 11% of them trucks, projected to reach 4,600 by 2043. The structure is 160 ft (48.9 m) long and 96 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesSR 607
CrossesFirst Alligator Branch
Location0.4 MI N Hancock Cl
RouteState Highway 607
Coordinates30.46281, -89.68159
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 protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating46 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+1 approach)
Design loadHL 93
Structure length160 ft (48.9 m)
Longest span60 ft (18.3 m)
Deck width96 ft (29.2 m)
Roadway width93 ft (28.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,600 (2023)
Projected traffic4,600 by 2043
Trucks11%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 First Alligator Branch built?

It was built in 2015, making it 10 years old in 2025.

What condition is SR 607 over First 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 November 2024.

How much traffic does SR 607 over First Alligator Branch carry?

About 4,600 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 607 over First Alligator Branch?

The structure is 160 ft (48.9 m) long with a longest span of 60 ft (18.3 m) and a deck 96 ft wide.

Who owns SR 607 over First Alligator Branch?

It is owned by the State Highway Agency.