US Bridges

School Rd. over Bayou Mallet

Fair

St. Landry Parish, Louisiana · 0.4 MI N of LA 752 · Structure no. 034930304921221

Built
1987
38 years old
Condition
Fair
inspected January 2023
Type
Slab
Concrete
Length
95 ft
5 main spans
Daily traffic
625
2020 count
Owner
County
County Highway Agency

About this bridge

School Rd. over Bayou Mallet is a concrete slab carrying School Rd. over Bayou Mallet in St. Landry Parish, Louisiana. It was built in 1987, so it is 38 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 625 vehicles a day, projected to reach 687 by 2040. The structure is 95 ft (29 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSchool Rd.
CrossesBayou Mallet
Location0.4 MI N of LA 752
RouteCounty Highway 0
CountySt. Landry Parish
StateLouisiana
Coordinates30.50689, -92.20315
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.9 US tons
Inventory rating21.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length95 ft (29 m)
Longest span19 ft (5.8 m)
Deck width32 ft (9.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic625 (2020)
Projected traffic687 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was School Rd. over Bayou Mallet built?

It was built in 1987, making it 38 years old in 2025.

What condition is School Rd. over Bayou Mallet 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 January 2023.

How much traffic does School Rd. over Bayou Mallet carry?

About 625 vehicles per day (2020 count).

How long is School Rd. over Bayou Mallet?

The structure is 95 ft (29 m) long with a longest span of 19 ft (5.8 m) and a deck 32 ft wide.

Who owns School Rd. over Bayou Mallet?

It is owned by the County Highway Agency.