US Bridges

Enterprise Dr. over Little Bayou Black

Good

Terrebonne Parish, Louisiana · 0.2 Mile North East of LA · Structure no. 025500000020487

Built
2012
13 years old
Condition
Good
inspected May 2023
Type
Channel Beam
Concrete
Length
93 ft
3 main spans
Daily traffic
5,909
2021 count
Owner
County
County Highway Agency

About this bridge

Enterprise Dr. over Little Bayou Black is a concrete channel beam carrying Enterprise Dr. over Little Bayou Black in Terrebonne Parish, Louisiana. It was built in 2012, so it is 13 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 5,909 vehicles a day, projected to reach 6,499 by 2041. The structure is 93 ft (28.3 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesEnterprise Dr.
CrossesLittle Bayou Black
Location0.2 Mile North East of LA
RouteCounty Highway 0
Coordinates29.60471, -90.76563
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating52.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length93 ft (28.3 m)
Longest span31 ft (9.4 m)
Deck width31 ft (9.6 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,909 (2021)
Projected traffic6,499 by 2041
Trucks—
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Enterprise Dr. over Little Bayou Black built?

It was built in 2012, making it 13 years old in 2025.

What condition is Enterprise Dr. 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 May 2023.

How much traffic does Enterprise Dr. over Little Bayou Black carry?

About 5,909 vehicles per day (2021 count).

How long is Enterprise Dr. over Little Bayou Black?

The structure is 93 ft (28.3 m) long with a longest span of 31 ft (9.4 m) and a deck 31 ft wide.

Who owns Enterprise Dr. over Little Bayou Black?

It is owned by the County Highway Agency.