US Bridges

Highland RD over Corporation Canal

Fair

East Baton Rouge Parish, Louisiana · 49 N of E Mckinley ST · Structure no. 611730255911071

Built
1960
65 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
43 ft
2 main spans
Daily traffic
12,996
2019 count
Owner
County
County Highway Agency

About this bridge

Highland RD over Corporation Canal is a concrete culvert carrying Highland RD over Corporation Canal in East Baton Rouge Parish, Louisiana. It was built in 1960, so it is 65 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 12,996 vehicles a day, projected to reach 14,295 by 2039. The structure is 43 ft (13.1 m) long and 58 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesHighland RD
CrossesCorporation Canal
Location49 N of E Mckinley ST
RouteCounty Highway 0
CountyEast Baton Rouge Parish
StateLouisiana
Coordinates30.42392, -91.17917
Functional classUrban Minor Arterial

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span13 ft (4 m)
Deck width58 ft (17.8 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,996 (2019)
Projected traffic14,295 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Highland RD over Corporation Canal built?

It was built in 1960, making it 65 years old in 2025.

What condition is Highland RD 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 2023.

How much traffic does Highland RD over Corporation Canal carry?

About 12,996 vehicles per day (2019 count).

How long is Highland RD over Corporation Canal?

The structure is 43 ft (13.1 m) long with a longest span of 13 ft (4 m) and a deck 58 ft wide.

Who owns Highland RD over Corporation Canal?

It is owned by the County Highway Agency.