US Bridges

Section Line Road over Aligator Branch

Good

Pearl River County, Mississippi · Sec 27 T 6S R17W B · Structure no. SA5500000000150

Built
1992
33 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
850
2024 count
Owner
County
County Highway Agency

About this bridge

Section Line Road over Aligator Branch is a concrete culvert carrying Section Line Road over Aligator Branch in Pearl River County, Mississippi. It was built in 1992, so it is 33 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 850 vehicles a day, roughly 8% of them trucks, projected to reach 956 by 2046. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSection Line Road
CrossesAligator Branch
LocationSec 27 T 6S R17W B
RouteCounty Highway 429
Coordinates30.49285, -89.69006
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
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.8 US tons
Inventory rating32.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic850 (2024)
Projected traffic956 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Section Line Road over Aligator Branch built?

It was built in 1992, making it 33 years old in 2025.

What condition is Section Line Road over Aligator 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 2024.

How much traffic does Section Line Road over Aligator Branch carry?

About 850 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Section Line Road over Aligator Branch?

The structure is 28 ft (8.5 m) long with a longest span of 12 ft (3.7 m).

Who owns Section Line Road over Aligator Branch?

It is owned by the County Highway Agency.