US Bridges

Gibson E Bridge over Little Bayou Black

Good

Terrebonne Parish, Louisiana · 0.01 MI N of LA 182 · Structure no. 025529375905621

Built
1996
29 years old
Condition
Good
inspected April 2023
Type
Slab
Concrete
Length
76 ft
4 main spans
Daily traffic
557
2021 count
Owner
County
County Highway Agency

About this bridge

Gibson E Bridge over Little Bayou Black is a concrete slab carrying Gibson E Bridge over Little Bayou Black in Terrebonne Parish, Louisiana. It was built in 1996, so it is 29 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 557 vehicles a day, projected to reach 612 by 2041. The structure is 76 ft (23.2 m) long and 32 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesGibson E Bridge
CrossesLittle Bayou Black
Location0.01 MI N of LA 182
RouteCounty Highway 0
Coordinates29.63082, -90.92746
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65.4 US tons
Inventory rating50.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span19 ft (5.8 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic557 (2021)
Projected traffic612 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Gibson E Bridge over Little Bayou Black built?

It was built in 1996, making it 29 years old in 2025.

What condition is Gibson E Bridge over Little Bayou Black 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 April 2023.

How much traffic does Gibson E Bridge over Little Bayou Black carry?

About 557 vehicles per day (2021 count).

How long is Gibson E Bridge over Little Bayou Black?

The structure is 76 ft (23.2 m) long with a longest span of 19 ft (5.8 m) and a deck 32 ft wide.

Who owns Gibson E Bridge over Little Bayou Black?

It is owned by the County Highway Agency.