US Bridges

Plank Road over Hurricane Creek

Poor

East Baton Rouge Parish, Louisiana · 0.01 MI E of LA 1 · Structure no. 611700600104171

Built
1956
69 years old
Condition
Poor
inspected July 2023
Type
Culvert
Concrete
Length
29 ft
3 main spans
Daily traffic
19,417
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Plank Road over Hurricane Creek is a concrete culvert carrying Plank Road over Hurricane Creek in East Baton Rouge Parish, Louisiana. It was built in 1956, so it is 69 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 19,417 vehicles a day, roughly 9% of them trucks, projected to reach 21,358 by 2041. The structure is 29 ft (8.8 m) long and 73 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPlank Road
CrossesHurricane Creek
Location0.01 MI E of LA 1
RouteCity Street 0
Coordinates30.50243, -91.15215
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.7 US tons
Inventory rating24.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length29 ft (8.8 m)
Longest span9 ft (2.7 m)
Deck width73 ft (22.3 m)
Roadway width71 ft (21.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,417 (2021)
Projected traffic21,358 by 2041
Trucks9%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$228,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Plank Road over Hurricane Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is Plank Road over Hurricane Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2023.

How much traffic does Plank Road over Hurricane Creek carry?

About 19,417 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is Plank Road over Hurricane Creek?

The structure is 29 ft (8.8 m) long with a longest span of 9 ft (2.7 m) and a deck 73 ft wide.

Who owns Plank Road over Hurricane Creek?

It is owned by the City or Municipal Highway Agency.