US Bridges

LA0010-S over ST Joseph Branch

PoorPosted for load

St. Helena Parish, Louisiana · 1 Mile East of LA 43 · Structure no. 624608461200951

Built
1959
66 years old
Condition
Poor
inspected November 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
78 ft
4 main spans
Daily traffic
225
2021 count
Owner
State
State Highway Agency

About this bridge

LA0010-S over ST Joseph Branch is a wood or timber stringer/multi-beam or girder carrying LA0010-S over ST Joseph Branch in St. Helena Parish, Louisiana. It was built in 1959, so it is 66 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 225 vehicles a day, roughly 13% of them trucks, projected to reach 247 by 2041. The structure is 78 ft (23.8 m) long and 28 ft wide.

CarriesLA0010-S
CrossesST Joseph Branch
Location1 Mile East of LA 43
RouteState Highway 10
Coordinates30.82221, -90.6525
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating12 US tons
Inventory rating2 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans4
Design loadH 10
Structure length78 ft (23.8 m)
Longest span19 ft (5.8 m)
Deck width28 ft (8.4 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2021)
Projected traffic247 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 LA0010-S over ST Joseph Branch built?

It was built in 1959, making it 66 years old in 2025.

What condition is LA0010-S over ST Joseph Branch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2023.

How much traffic does LA0010-S over ST Joseph Branch carry?

About 225 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is LA0010-S over ST Joseph Branch?

The structure is 78 ft (23.8 m) long with a longest span of 19 ft (5.8 m) and a deck 28 ft wide.

Who owns LA0010-S over ST Joseph Branch?

It is owned by the State Highway Agency.