US Bridges

LA0327-S over Bayou Fountian

PoorPosted for load

East Baton Rouge Parish, Louisiana · 0.3 M N of LA 42&LA 327-S · Structure no. 611702570304171

Built
1968
57 years old
Condition
Poor
inspected May 2023
Type
Slab
Concrete
Length
78 ft
4 main spans
Daily traffic
3,993
2021 count
Owner
State
State Highway Agency

About this bridge

LA0327-S over Bayou Fountian is a concrete slab carrying LA0327-S over Bayou Fountian in East Baton Rouge Parish, Louisiana. It was built in 1968, so it is 57 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. Its operating status is: posted for load restriction.

It carries about 3,993 vehicles a day, roughly 11% of them trucks, projected to reach 4,392 by 2041. The structure is 78 ft (23.8 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesLA0327-S
CrossesBayou Fountian
Location0.3 M N of LA 42&LA 327-S
RouteState Highway 327
Coordinates30.36434, -91.12143
Functional classUrban Collector

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating20.7 US tons
Inventory rating15.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length78 ft (23.8 m)
Longest span19 ft (5.8 m)
Deck width33 ft (10 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,993 (2021)
Projected traffic4,392 by 2041
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$400,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0327-S over Bayou Fountian built?

It was built in 1968, making it 57 years old in 2025.

What condition is LA0327-S over Bayou Fountian 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 May 2023.

How much traffic does LA0327-S over Bayou Fountian carry?

About 3,993 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is LA0327-S over Bayou Fountian?

The structure is 78 ft (23.8 m) long with a longest span of 19 ft (5.8 m) and a deck 33 ft wide.

Who owns LA0327-S over Bayou Fountian?

It is owned by the State Highway Agency.