US Bridges

S. Avenue F over Bayou Blanc

Good

Acadia Parish, Louisiana · 0.7 Mi. S. of US 90 · Structure no. 030100000030497

Built
2016
9 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
120 ft
3 main spans
Daily traffic
2,112
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

S. Avenue F over Bayou Blanc is a prestressed concrete stringer/multi-beam or girder carrying S. Avenue F over Bayou Blanc in Acadia Parish, Louisiana. It was built in 2016, so it is 9 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 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 2,112 vehicles a day, projected to reach 2,323 by 2040. The structure is 120 ft (36.6 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesS. Avenue F
CrossesBayou Blanc
Location0.7 Mi. S. of US 90
RouteCounty Highway 0
CountyAcadia Parish
StateLouisiana
Coordinates30.20021, -92.37132
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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.3 US tons
Inventory rating57.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width36 ft (11.1 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,112 (2020)
Projected traffic2,323 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal 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 S. Avenue F over Bayou Blanc built?

It was built in 2016, making it 9 years old in 2025.

What condition is S. Avenue F over Bayou Blanc 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 July 2024.

How much traffic does S. Avenue F over Bayou Blanc carry?

About 2,112 vehicles per day (2020 count).

How long is S. Avenue F over Bayou Blanc?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 36 ft wide.

Who owns S. Avenue F over Bayou Blanc?

It is owned by the City or Municipal Highway Agency and maintained by the County Highway Agency.