US Bridges

US0090/FRONTAGE RD over Drain

Fair

St. Mary Parish, Louisiana · 2.7 Miles East of LA 668 · Structure no. 035104240502193

Built
1973
52 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete
Length
38 ft
2 main spans
Daily traffic
1,260
2021 count
Owner
State
State Highway Agency

About this bridge

US0090/FRONTAGE RD over Drain is a concrete slab carrying US0090/FRONTAGE RD over Drain in St. Mary Parish, Louisiana. It was built in 1973, so it is 52 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.

It carries about 1,260 vehicles a day, roughly 13% of them trucks, projected to reach 1,386 by 2041. The structure is 38 ft (11.6 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS0090/FRONTAGE RD
CrossesDrain
Location2.7 Miles East of LA 668
RouteU.S. Route 90
CountySt. Mary Parish
StateLouisiana
Coordinates29.87107, -91.64358
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating49.1 US tons
Inventory rating29 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span19 ft (5.8 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,260 (2021)
Projected traffic1,386 by 2041
Trucks13%
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 statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$229,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US0090/FRONTAGE RD over Drain built?

It was built in 1973, making it 52 years old in 2025.

What condition is US0090/FRONTAGE RD over Drain 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 November 2023.

How much traffic does US0090/FRONTAGE RD over Drain carry?

About 1,260 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is US0090/FRONTAGE RD over Drain?

The structure is 38 ft (11.6 m) long with a longest span of 19 ft (5.8 m) and a deck 28 ft wide.

Who owns US0090/FRONTAGE RD over Drain?

It is owned by the State Highway Agency.