US Bridges

SR 26 over Alligator Creek

Good

Pearl River County, Mississippi · 3.2 MI E I 59 · Structure no. 310002605502420

Built
1956
69 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
64 ft
3 main spans
Daily traffic
2,300
2023 count
Owner
State
State Highway Agency

About this bridge

SR 26 over Alligator Creek is a concrete culvert carrying SR 26 over Alligator Creek in Pearl River County, Mississippi. It was built in 1956, so it is 69 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 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 14% of them trucks, projected to reach 2,300 by 2043. The structure is 64 ft (19.5 m) long. If it were closed, the detour would be 39.1 mi (63 km).

CarriesSR 26
CrossesAlligator Creek
Location3.2 MI E I 59
RouteState Highway 26
Coordinates30.8509, -89.43931
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
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.6 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length64 ft (19.5 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2023)
Projected traffic2,300 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.1 mi (63 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 26 over Alligator Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is SR 26 over Alligator 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 October 2024.

How much traffic does SR 26 over Alligator Creek carry?

About 2,300 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SR 26 over Alligator Creek?

The structure is 64 ft (19.5 m) long with a longest span of 20 ft (6.1 m).

Who owns SR 26 over Alligator Creek?

It is owned by the State Highway Agency.