US Bridges

J.J. Holcomb Road over Alligator Branch

Good

Pearl River County, Mississippi · Sec 39 T 6S R17W · Structure no. SA550000000A159

Built
2014
11 years old
Condition
Good
inspected May 2023
Type
Channel Beam
Concrete
Length
69 ft
3 main spans
Daily traffic
30
2023 count
Owner
County
County Highway Agency

About this bridge

J.J. Holcomb Road over Alligator Branch is a concrete channel beam carrying J.J. Holcomb Road over Alligator Branch in Pearl River County, Mississippi. It was built in 2014, so it is 11 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 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 30 vehicles a day, projected to reach 40 by 2045. The structure is 69 ft (21 m) long and 256 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesJ.J. Holcomb Road
CrossesAlligator Branch
LocationSec 39 T 6S R17W
RouteCounty Highway 276
Coordinates30.48641, -89.69134
Functional classRural Minor 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHL 93
Structure length69 ft (21 m)
Longest span31 ft (9.5 m)
Deck width256 ft (78 m)
Roadway width240 ft (73 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2023)
Projected traffic40 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 J.J. Holcomb Road over Alligator Branch built?

It was built in 2014, making it 11 years old in 2025.

What condition is J.J. Holcomb Road over 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 May 2023.

How much traffic does J.J. Holcomb Road over Alligator Branch carry?

About 30 vehicles per day (2023 count).

How long is J.J. Holcomb Road over Alligator Branch?

The structure is 69 ft (21 m) long with a longest span of 31 ft (9.5 m) and a deck 256 ft wide.

Who owns J.J. Holcomb Road over Alligator Branch?

It is owned by the County Highway Agency.