US Bridges

Terrace Ave over Corporation Canal

Fair

East Baton Rouge Parish, Louisiana · 0.1 MI E. of HWY 30 · Structure no. 611700000000338

Built
1971
54 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
263
2024 count
Owner
County
County Highway Agency

About this bridge

Terrace Ave over Corporation Canal is a concrete culvert carrying Terrace Ave over Corporation Canal in East Baton Rouge Parish, Louisiana. It was built in 1971, so it is 54 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 263 vehicles a day, roughly 13% of them trucks, projected to reach 289 by 2044. The structure is 25 ft (7.6 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesTerrace Ave
CrossesCorporation Canal
Location0.1 MI E. of HWY 30
RouteCity Street 0
Coordinates30.43631, -91.18652
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating23.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width48 ft (14.6 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic263 (2024)
Projected traffic289 by 2044
Trucks13%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Terrace Ave over Corporation Canal built?

It was built in 1971, making it 54 years old in 2025.

What condition is Terrace Ave over Corporation Canal in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.

How much traffic does Terrace Ave over Corporation Canal carry?

About 263 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is Terrace Ave over Corporation Canal?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m) and a deck 48 ft wide.

Who owns Terrace Ave over Corporation Canal?

It is owned by the County Highway Agency.