US Bridges

LA3188 over Drain

Good

St. John the Baptist Parish, Louisiana · 1.45 Mi. No. U.S. 61 · Structure no. 624808481501451

Built
1983
42 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
22 ft
Daily traffic
6,064
2021 count
Owner
State
State Highway Agency

About this bridge

LA3188 over Drain is a concrete culvert carrying LA3188 over Drain in St. John the Baptist Parish, Louisiana. It was built in 1983, so it is 42 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,064 vehicles a day, roughly 6% of them trucks, projected to reach 6,670 by 2041. The structure is 22 ft (6.7 m) long and 161 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesLA3188
CrossesDrain
Location1.45 Mi. No. U.S. 61
RouteState Highway 3188
Coordinates30.09324, -90.5046
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans0
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span6 ft (1.8 m)
Deck width161 ft (49.1 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,064 (2021)
Projected traffic6,670 by 2041
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 LA3188 over Drain built?

It was built in 1983, making it 42 years old in 2025.

What condition is LA3188 over Drain in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does LA3188 over Drain carry?

About 6,064 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is LA3188 over Drain?

The structure is 22 ft (6.7 m) long with a longest span of 6 ft (1.8 m) and a deck 161 ft wide.

Who owns LA3188 over Drain?

It is owned by the State Highway Agency.