US Bridges

LA3069 over B Teche Franklin

FairPosted for load

St. Mary Parish, Louisiana · 0.25 MI SW of LA 87 · Structure no. 035108510900241

Built
1963
62 years old
Condition
Fair
inspected May 2024
Type
Movable - Swing
Steel
Length
325 ft
1 main span
Daily traffic
1,210
2021 count
Owner
State
State Highway Agency

About this bridge

LA3069 over B Teche Franklin is a steel movable - swing carrying LA3069 over B Teche Franklin in St. Mary Parish, Louisiana. It was built in 1963, so it is 62 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. Its operating status is: posted for load restriction.

It carries about 1,210 vehicles a day, roughly 12% of them trucks, projected to reach 1,331 by 2041. The structure is 325 ft (99.1 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLA3069
CrossesB Teche Franklin
Location0.25 MI SW of LA 87
RouteState Highway 3069
CountySt. Mary Parish
StateLouisiana
Coordinates29.79208, -91.4982
Functional classRural Minor 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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32 US tons
Inventory rating22 US tons

Structure

Structure typeMovable - Swing
MaterialSteel
DeckOpen grating
Main spans1 (+7 approach)
Design loadH 15
Structure length325 ft (99.1 m)
Longest span180 ft (54.9 m)
Deck width37 ft (11.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck15 ft (4.7 m)

Traffic and service

Average daily traffic1,210 (2021)
Projected traffic1,331 by 2041
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.4 million
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was LA3069 over B Teche Franklin built?

It was built in 1963, making it 62 years old in 2025.

What condition is LA3069 over B Teche Franklin 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 May 2024.

How much traffic does LA3069 over B Teche Franklin carry?

About 1,210 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is LA3069 over B Teche Franklin?

The structure is 325 ft (99.1 m) long with a longest span of 180 ft (54.9 m) and a deck 37 ft wide.

Who owns LA3069 over B Teche Franklin?

It is owned by the State Highway Agency.