US Bridges

LA0146 over Edwards Branch

Fair

Jackson Parish, Louisiana · 7.5 MI South of LA 155 · Structure no. 052500680217771

Built
1973
52 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete
Length
152 ft
8 main spans
Daily traffic
882
2021 count
Owner
State
State Highway Agency

About this bridge

LA0146 over Edwards Branch is a concrete slab carrying LA0146 over Edwards Branch in Jackson Parish, Louisiana. It was built in 1973, so it is 52 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 6 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 882 vehicles a day, roughly 15% of them trucks, projected to reach 970 by 2041. The structure is 152 ft (46.3 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesLA0146
CrossesEdwards Branch
Location7.5 MI South of LA 155
RouteState Highway 146
CountyJackson Parish
StateLouisiana
Coordinates32.3131, -92.4633
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans8
Design loadHS 20
Structure length152 ft (46.3 m)
Longest span19 ft (5.8 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic882 (2021)
Projected traffic970 by 2041
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
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 LA0146 over Edwards Branch built?

It was built in 1973, making it 52 years old in 2025.

What condition is LA0146 over Edwards 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 April 2024.

How much traffic does LA0146 over Edwards Branch carry?

About 882 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is LA0146 over Edwards Branch?

The structure is 152 ft (46.3 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns LA0146 over Edwards Branch?

It is owned by the State Highway Agency.