US Bridges

LA0191 over Bayou Lanana

Fair

Sabine Parish, Louisiana · 2.13 Mi. North of LA 6 · Structure no. 084304320133351

Built
1968
57 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
352 ft
5 main spans
Daily traffic
1,210
2021 count
Owner
State
State Highway Agency

About this bridge

LA0191 over Bayou Lanana is a prestressed concrete stringer/multi-beam or girder carrying LA0191 over Bayou Lanana in Sabine 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 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 352 ft (107.3 m) long and 33 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesLA0191
CrossesBayou Lanana
Location2.13 Mi. North of LA 6
RouteState Highway 191
CountySabine Parish
StateLouisiana
Coordinates31.51538, -93.6519
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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating92 US tons
Inventory rating38 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length352 ft (107.3 m)
Longest span70 ft (21.3 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 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 closed13 mi (21 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 Lanana built?

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

What condition is LA0191 over Bayou Lanana 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 July 2024.

How much traffic does LA0191 over Bayou Lanana carry?

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

How long is LA0191 over Bayou Lanana?

The structure is 352 ft (107.3 m) long with a longest span of 70 ft (21.3 m) and a deck 33 ft wide.

Who owns LA0191 over Bayou Lanana?

It is owned by the State Highway Agency.