US Bridges

LA1075 over Sals Branch

FairPosted for load

Washington Parish, Louisiana · 0.5 M S of LA 1074 · Structure no. 625908591801311

Built
1942
83 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
97 ft
5 main spans
Daily traffic
2,917
2021 count
Owner
State
State Highway Agency

About this bridge

LA1075 over Sals Branch is a wood or timber stringer/multi-beam or girder carrying LA1075 over Sals Branch in Washington Parish, Louisiana. It was built in 1942, so it is 83 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 2,917 vehicles a day, roughly 12% of them trucks, projected to reach 3,208 by 2041. The structure is 97 ft (29.6 m) long and 22 ft wide.

CarriesLA1075
CrossesSals Branch
Location0.5 M S of LA 1074
RouteState Highway 1075
Coordinates30.68346, -89.8885
Functional classRural Major 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 protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating23.8 US tons
Inventory rating13.8 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans5
Design loadH 10
Structure length97 ft (29.6 m)
Longest span19 ft (5.8 m)
Deck width22 ft (6.6 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,917 (2021)
Projected traffic3,208 by 2041
Trucks12%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$483,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA1075 over Sals Branch built?

It was built in 1942, making it 83 years old in 2025.

What condition is LA1075 over Sals Branch 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 May 2024.

How much traffic does LA1075 over Sals Branch carry?

About 2,917 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is LA1075 over Sals Branch?

The structure is 97 ft (29.6 m) long with a longest span of 19 ft (5.8 m) and a deck 22 ft wide.

Who owns LA1075 over Sals Branch?

It is owned by the State Highway Agency.