US Bridges

Bridge RD over Bayou Teche

Fair

St. Mary Parish, Louisiana · 0.2 Mi. E. of LA 182 · Structure no. 035129424911791

Built
1990
35 years old
Condition
Fair
inspected April 2023
Type
Movable - Swing
Steel
Length
710 ft
1 main span
Daily traffic
610
2022 count
Owner
County
County Highway Agency

About this bridge

Bridge RD over Bayou Teche is a steel movable - swing carrying Bridge RD over Bayou Teche in St. Mary Parish, Louisiana. It was built in 1990, so it is 35 years old, younger 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 610 vehicles a day, projected to reach 671 by 2042. The structure is 710 ft (216.4 m) long and 33 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesBridge RD
CrossesBayou Teche
Location0.2 Mi. E. of LA 182
RouteCounty Highway 0
CountySt. Mary Parish
StateLouisiana
Coordinates29.7072, -91.30044
Functional classRural Local

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 protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating33.6 US tons
Inventory rating23.6 US tons

Structure

Structure typeMovable - Swing
MaterialSteel
DeckOpen grating
Main spans1 (+8 approach)
Design loadHS 20
Structure length710 ft (216.4 m)
Longest span150 ft (45.7 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck20 ft (6 m)

Traffic and service

Average daily traffic610 (2022)
Projected traffic671 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Bridge RD over Bayou Teche built?

It was built in 1990, making it 35 years old in 2025.

What condition is Bridge RD over Bayou Teche 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 April 2023.

How much traffic does Bridge RD over Bayou Teche carry?

About 610 vehicles per day (2022 count).

How long is Bridge RD over Bayou Teche?

The structure is 710 ft (216.4 m) long with a longest span of 150 ft (45.7 m) and a deck 33 ft wide.

Who owns Bridge RD over Bayou Teche?

It is owned by the County Highway Agency.