US Bridges

LA0191 over Bayou San Miguel

Fair

Sabine Parish, Louisiana · 0.94 M N of S JCT LA 482 · Structure no. 084304320142471

Built
1967
58 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete
Length
260 ft
13 main spans
Daily traffic
1,210
2021 count
Owner
State
State Highway Agency

About this bridge

LA0191 over Bayou San Miguel is a concrete slab carrying LA0191 over Bayou San Miguel in Sabine 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 fair condition with a lowest component rating of 5 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 1,210 vehicles a day, roughly 14% of them trucks, projected to reach 1,331 by 2041. The structure is 260 ft (79.2 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesLA0191
CrossesBayou San Miguel
Location0.94 M N of S JCT LA 482
RouteState Highway 191
CountySabine Parish
StateLouisiana
Coordinates31.63066, -93.6641
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating51 US tons
Inventory rating30 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans13
Design loadHS 20
Structure length260 ft (79.2 m)
Longest span20 ft (6.1 m)
Deck width30 ft (9.1 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,210 (2021)
Projected traffic1,331 by 2041
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Miguel built?

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

What condition is LA0191 over Bayou San Miguel 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 Miguel carry?

About 1,210 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is LA0191 over Bayou San Miguel?

The structure is 260 ft (79.2 m) long with a longest span of 20 ft (6.1 m) and a deck 30 ft wide.

Who owns LA0191 over Bayou San Miguel?

It is owned by the State Highway Agency.