US Bridges

LA0075-S over Upper Grand R/B Sorrel

FairPosted for load

Iberville Parish, Louisiana · LA0075 · Structure no. 612408241800081

Built
1965
60 years old
Condition
Fair
inspected November 2023
Type
Movable - Swing
Steel
Length
341 ft
1 main span
Daily traffic
514
2021 count
Owner
State
State Highway Agency

About this bridge

LA0075-S over Upper Grand R/B Sorrel is a steel movable - swing carrying LA0075-S over Upper Grand R/B Sorrel in Iberville Parish, Louisiana. It was built in 1965, so it is 60 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 514 vehicles a day, roughly 14% of them trucks, projected to reach 565 by 2041. The structure is 341 ft (103.9 m) long and 40 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

Location

Open in Google Maps
CarriesLA0075-S
CrossesUpper Grand R/B Sorrel
LocationLA0075
RouteState Highway 75
CountyIberville Parish
StateLouisiana
Coordinates30.15579, -91.33118
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
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 rating17.9 US tons
Inventory rating13.6 US tons

Structure

Structure typeMovable - Swing
MaterialSteel
DeckSteel plate
Main spans1 (+11 approach)
Design loadH 15
Structure length341 ft (103.9 m)
Longest span130 ft (39.6 m)
Deck width40 ft (12.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic514 (2021)
Projected traffic565 by 2041
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible 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 LA0075-S over Upper Grand R/B Sorrel built?

It was built in 1965, making it 60 years old in 2025.

What condition is LA0075-S over Upper Grand R/B Sorrel 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 LA0075-S over Upper Grand R/B Sorrel carry?

About 514 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is LA0075-S over Upper Grand R/B Sorrel?

The structure is 341 ft (103.9 m) long with a longest span of 130 ft (39.6 m) and a deck 40 ft wide.

Who owns LA0075-S over Upper Grand R/B Sorrel?

It is owned by the State Highway Agency.