US Bridges

LA3087 over Bayou Terribone

Good

Terrebonne Parish, Louisiana · LA 3087 Between JCT LA 24 · Structure no. 025500000020503

Built
2013
12 years old
Condition
Good
inspected April 2023
Type
Movable - Lift
Steel
Length
183 ft
1 main span
Daily traffic
13,617
2021 count
Owner
State
State Highway Agency

About this bridge

LA3087 over Bayou Terribone is a steel movable - lift carrying LA3087 over Bayou Terribone in Terrebonne Parish, Louisiana. It was built in 2013, so it is 12 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 13,617 vehicles a day, roughly 11% of them trucks, projected to reach 14,978 by 2041. The structure is 183 ft (55.8 m) long and 84 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesLA3087
CrossesBayou Terribone
LocationLA 3087 Between JCT LA 24
RouteState Highway 3087
CountyTerrebonne Parish
StateLouisiana
Coordinates29.59122, -90.6785
Functional classUrban 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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating46.4 US tons

Structure

Structure typeMovable - Lift
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+4 approach)
Design loadHS 20
Structure length183 ft (55.8 m)
Longest span63 ft (19.2 m)
Deck width84 ft (25.5 m)
Roadway width78 ft (23.8 m)
Vertical clearance over deck19 ft (5.8 m)

Traffic and service

Average daily traffic13,617 (2021)
Projected traffic14,978 by 2041
Trucks11%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was LA3087 over Bayou Terribone built?

It was built in 2013, making it 12 years old in 2025.

What condition is LA3087 over Bayou Terribone 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 LA3087 over Bayou Terribone carry?

About 13,617 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is LA3087 over Bayou Terribone?

The structure is 183 ft (55.8 m) long with a longest span of 63 ft (19.2 m) and a deck 84 ft wide.

Who owns LA3087 over Bayou Terribone?

It is owned by the State Highway Agency.