US Bridges

LA1043 over Sandy Run

Fair

St. Helena Parish, Louisiana · 1.8 M N of LA 10 · Structure no. 624608460201901

Built
1971
54 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
96 ft
5 main spans
Daily traffic
320
2021 count
Owner
State
State Highway Agency

About this bridge

LA1043 over Sandy Run is a concrete slab carrying LA1043 over Sandy Run in St. Helena Parish, Louisiana. It was built in 1971, so it is 54 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.

It carries about 320 vehicles a day, roughly 13% of them trucks, projected to reach 352 by 2041. The structure is 96 ft (29.3 m) long and 31 ft wide.

Location

Open in Google Maps
CarriesLA1043
CrossesSandy Run
Location1.8 M N of LA 10
RouteState Highway 1043
CountySt. Helena Parish
StateLouisiana
Coordinates30.89531, -90.7675
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionOctober 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.6 US tons
Inventory rating29.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length96 ft (29.3 m)
Longest span19 ft (5.8 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic320 (2021)
Projected traffic352 by 2041
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA1043 over Sandy Run built?

It was built in 1971, making it 54 years old in 2025.

What condition is LA1043 over Sandy Run 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 LA1043 over Sandy Run carry?

About 320 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is LA1043 over Sandy Run?

The structure is 96 ft (29.3 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns LA1043 over Sandy Run?

It is owned by the State Highway Agency.