US Bridges

Port Hickey RD over Drainage Bayou

PoorClosed to traffic

East Baton Rouge Parish, Louisiana · 2.5 M W of US 61 · Structure no. 611730396911721

Built
1960
65 years old
Condition
Poor
inspected December 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
96 ft
5 main spans
Daily traffic
941
2016 count
Owner
County
County Highway Agency

About this bridge

Port Hickey RD over Drainage Bayou is a wood or timber stringer/multi-beam or girder carrying Port Hickey RD over Drainage Bayou 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 poor condition with a lowest component rating of 1 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. Its operating status is: closed to all traffic.

It carries about 941 vehicles a day, projected to reach 1,035 by 2036. The structure is 96 ft (29.3 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesPort Hickey RD
CrossesDrainage Bayou
Location2.5 M W of US 61
RouteCounty Highway 0
Coordinates30.65959, -91.28806
Functional classRural Local

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
Deck7 GoodSome minor problems.
Superstructure1 Imminent FailureMajor deterioration or section loss present in critical structural components. Bridge is closed to traffic but corrective action may put it back in light service.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusClosed to all traffic
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating35.1 US tons
Inventory rating25 US tons

Structure

MaterialWood or Timber
DeckConcrete, cast-in-place
Main spans5
Design loadH 10
Structure length96 ft (29.3 m)
Longest span19 ft (5.8 m)
Deck width25 ft (7.6 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic941 (2016)
Projected traffic1,035 by 2036
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$334,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Port Hickey RD over Drainage Bayou built?

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

What condition is Port Hickey RD over Drainage Bayou 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 December 2024.

How much traffic does Port Hickey RD over Drainage Bayou carry?

About 941 vehicles per day (2016 count).

How long is Port Hickey RD over Drainage Bayou?

The structure is 96 ft (29.3 m) long with a longest span of 19 ft (5.8 m) and a deck 25 ft wide.

Who owns Port Hickey RD over Drainage Bayou?

It is owned by the County Highway Agency.