US Bridges

Pine ST over Blanc Bayou

PoorPosted for load

Acadia Parish, Louisiana · 0.8 Mi. W. of LA 13 · Structure no. 030130120922241

Built
1967
58 years old
Condition
Poor
inspected July 2024
Type
Slab
Concrete
Length
114 ft
6 main spans
Daily traffic
2,592
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Pine ST over Blanc Bayou is a concrete slab carrying Pine ST over Blanc Bayou in Acadia Parish, Louisiana. It was built in 1967, so it is 58 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 2,592 vehicles a day, projected to reach 2,851 by 2040. The structure is 114 ft (34.7 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPine ST
CrossesBlanc Bayou
Location0.8 Mi. W. of LA 13
RouteCounty Highway 0
Coordinates30.20152, -92.37546
Functional classUrban 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
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating48.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans6
Design loadHS 20
Structure length114 ft (34.7 m)
Longest span19 ft (5.8 m)
Deck width31 ft (9.3 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,592 (2020)
Projected traffic2,851 by 2040
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

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$390,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pine ST over Blanc Bayou built?

It was built in 1967, making it 58 years old in 2025.

What condition is Pine ST over Blanc 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 July 2024.

How much traffic does Pine ST over Blanc Bayou carry?

About 2,592 vehicles per day (2020 count).

How long is Pine ST over Blanc Bayou?

The structure is 114 ft (34.7 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns Pine ST over Blanc Bayou?

It is owned by the City or Municipal Highway Agency.