US Bridges

LA1074 over Sals Branch

PoorPosted for load

Washington Parish, Louisiana · 0.7 M W of LA 1075 · Structure no. 625908591904931

Built
1958
67 years old
Condition
Poor
inspected August 2024
Type
Slab
Concrete
Length
76 ft
4 main spans
Daily traffic
1,186
2021 count
Owner
State
State Highway Agency

About this bridge

LA1074 over Sals Branch is a concrete slab carrying LA1074 over Sals Branch in Washington Parish, Louisiana. It was built in 1958, so it is 67 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 1,186 vehicles a day, roughly 13% of them trucks, projected to reach 1,304 by 2041. The structure is 76 ft (23.2 m) long and 28 ft wide.

CarriesLA1074
CrossesSals Branch
Location0.7 M W of LA 1075
RouteState Highway 1074
Coordinates30.69075, -89.9053
Functional classRural Minor Collector

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating20 US tons
Inventory rating15.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadH 15
Structure length76 ft (23.2 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 traffic1,186 (2021)
Projected traffic1,304 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 LA1074 over Sals Branch built?

It was built in 1958, making it 67 years old in 2025.

What condition is LA1074 over Sals 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 August 2024.

How much traffic does LA1074 over Sals Branch carry?

About 1,186 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is LA1074 over Sals Branch?

The structure is 76 ft (23.2 m) long with a longest span of 19 ft (5.8 m) and a deck 28 ft wide.

Who owns LA1074 over Sals Branch?

It is owned by the State Highway Agency.