US Bridges

LA0465 over Shingle Mill Branch

Fair

Vernon Parish, Louisiana · 2.75 MI East of LA 8 · Structure no. 085801370202751

Built
1981
44 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete
Length
78 ft
4 main spans
Daily traffic
500
2021 count
Owner
State
State Highway Agency

About this bridge

LA0465 over Shingle Mill Branch is a concrete slab carrying LA0465 over Shingle Mill Branch in Vernon Parish, Louisiana. It was built in 1981, so it is 44 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 500 vehicles a day, roughly 14% of them trucks, projected to reach 550 by 2041. The structure is 78 ft (23.8 m) long and 31 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesLA0465
CrossesShingle Mill Branch
Location2.75 MI East of LA 8
RouteState Highway 465
CountyVernon Parish
StateLouisiana
Coordinates31.24482, -92.97
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionMarch 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length78 ft (23.8 m)
Longest span20 ft (6.1 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2021)
Projected traffic550 by 2041
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 LA0465 over Shingle Mill Branch built?

It was built in 1981, making it 44 years old in 2025.

What condition is LA0465 over Shingle Mill 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 March 2024.

How much traffic does LA0465 over Shingle Mill Branch carry?

About 500 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is LA0465 over Shingle Mill Branch?

The structure is 78 ft (23.8 m) long with a longest span of 20 ft (6.1 m) and a deck 31 ft wide.

Who owns LA0465 over Shingle Mill Branch?

It is owned by the State Highway Agency.