US Bridges

Poche Bridge RD over Teche Bayou

FairPosted for load

St. Martin Parish, Louisiana · 0.08 MI S of LA 31 · Structure no. 035030187915411

Built
1974
51 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
210 ft
11 main spans
Daily traffic
4,252
2020 count
Owner
County
County Highway Agency

About this bridge

Poche Bridge RD over Teche Bayou is a concrete slab carrying Poche Bridge RD over Teche Bayou in St. Martin Parish, Louisiana. It was built in 1974, so it is 51 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. Its operating status is: posted for load restriction.

It carries about 4,252 vehicles a day, projected to reach 4,677 by 2040. The structure is 210 ft (64 m) long and 23 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesPoche Bridge RD
CrossesTeche Bayou
Location0.08 MI S of LA 31
RouteCounty Highway 0
CountySt. Martin Parish
StateLouisiana
Coordinates30.31236, -91.90287
Functional classUrban 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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating28.2 US tons
Inventory rating21.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans11
Design loadHS 20
Structure length210 ft (64 m)
Longest span19 ft (5.8 m)
Deck width23 ft (7.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,252 (2020)
Projected traffic4,677 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$654,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Poche Bridge RD over Teche Bayou built?

It was built in 1974, making it 51 years old in 2025.

What condition is Poche Bridge RD over Teche Bayou 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 October 2024.

How much traffic does Poche Bridge RD over Teche Bayou carry?

About 4,252 vehicles per day (2020 count).

How long is Poche Bridge RD over Teche Bayou?

The structure is 210 ft (64 m) long with a longest span of 19 ft (5.8 m) and a deck 23 ft wide.

Who owns Poche Bridge RD over Teche Bayou?

It is owned by the County Highway Agency.