US Bridges

Alphonse Forbes RD over Sandy CR

Good

East Baton Rouge Parish, Louisiana · 0.61 MI S of LA 409 · Structure no. 611700000611731

Built
2023
2 years old
Condition
Good
inspected March 2023
Type
Slab
Concrete
Length
181 ft
9 main spans
Daily traffic
73
2023 count
Owner
County
County Highway Agency

About this bridge

Alphonse Forbes RD over Sandy CR is a concrete slab carrying Alphonse Forbes RD over Sandy CR in East Baton Rouge Parish, Louisiana. It was built in 2023, so it is 2 years old, younger than the Louisiana average of 43 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 73 vehicles a day, roughly 5% of them trucks, projected to reach 80 by 2043. The structure is 181 ft (55.2 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesAlphonse Forbes RD
CrossesSandy CR
Location0.61 MI S of LA 409
RouteCounty Highway 0
Coordinates30.62093, -90.98214
Functional classRural Local

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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating107.1 US tons
Inventory rating52.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans9
Design loadHL 93
Structure length181 ft (55.2 m)
Longest span20 ft (6.1 m)
Deck width30 ft (9 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic73 (2023)
Projected traffic80 by 2043
Trucks5%
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 Alphonse Forbes RD over Sandy CR built?

It was built in 2023, making it 2 years old in 2025.

What condition is Alphonse Forbes RD over Sandy CR 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 March 2023.

How much traffic does Alphonse Forbes RD over Sandy CR carry?

About 73 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Alphonse Forbes RD over Sandy CR?

The structure is 181 ft (55.2 m) long with a longest span of 20 ft (6.1 m) and a deck 30 ft wide.

Who owns Alphonse Forbes RD over Sandy CR?

It is owned by the County Highway Agency.