US Bridges

LA0191 over Bayou San Patricio

Fair

Sabine Parish, Louisiana · .5 MI North of LA 1218 · Structure no. 084304320148111

Built
1980
45 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete
Length
342 ft
18 main spans
Daily traffic
904
2021 count
Owner
State
State Highway Agency

About this bridge

LA0191 over Bayou San Patricio is a concrete slab carrying LA0191 over Bayou San Patricio in Sabine Parish, Louisiana. It was built in 1980, so it is 45 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 904 vehicles a day, roughly 14% of them trucks, projected to reach 994 by 2041. The structure is 342 ft (104.2 m) long and 35 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesLA0191
CrossesBayou San Patricio
Location.5 MI North of LA 1218
RouteState Highway 191
Coordinates31.68379, -93.7265
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating69 US tons
Inventory rating41 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans18
Design loadHS 20
Structure length342 ft (104.2 m)
Longest span19 ft (5.8 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic904 (2021)
Projected traffic994 by 2041
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0191 over Bayou San Patricio built?

It was built in 1980, making it 45 years old in 2025.

What condition is LA0191 over Bayou San Patricio 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 August 2024.

How much traffic does LA0191 over Bayou San Patricio carry?

About 904 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is LA0191 over Bayou San Patricio?

The structure is 342 ft (104.2 m) long with a longest span of 19 ft (5.8 m) and a deck 35 ft wide.

Who owns LA0191 over Bayou San Patricio?

It is owned by the State Highway Agency.