US Bridges

LA0103 over Teche Bayou @ Leonville

Fair

St. Landry Parish, Louisiana · 0.22 MI North of LA 31 · Structure no. 034900810200221

Built
1953
72 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
202 ft
5 main spans
Daily traffic
2,462
2021 count
Owner
State
State Highway Agency

About this bridge

LA0103 over Teche Bayou @ Leonville is a steel stringer/multi-beam or girder carrying LA0103 over Teche Bayou @ Leonville in St. Landry Parish, Louisiana. It was built in 1953, so it is 72 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 2,462 vehicles a day, roughly 13% of them trucks, projected to reach 2,708 by 2041. The structure is 202 ft (61.6 m) long and 35 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesLA0103
CrossesTeche Bayou @ Leonville
Location0.22 MI North of LA 31
RouteState Highway 103
CountySt. Landry Parish
StateLouisiana
Coordinates30.47326, -91.9799
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating23 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length202 ft (61.6 m)
Longest span40 ft (12.2 m)
Deck width35 ft (10.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,462 (2021)
Projected traffic2,708 by 2041
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 LA0103 over Teche Bayou @ Leonville built?

It was built in 1953, making it 72 years old in 2025.

What condition is LA0103 over Teche Bayou @ Leonville 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 LA0103 over Teche Bayou @ Leonville carry?

About 2,462 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is LA0103 over Teche Bayou @ Leonville?

The structure is 202 ft (61.6 m) long with a longest span of 40 ft (12.2 m) and a deck 35 ft wide.

Who owns LA0103 over Teche Bayou @ Leonville?

It is owned by the State Highway Agency.