US Bridges

LA1083 over Bully Branch

Good

St. Tammany Parish, Louisiana · 2.1 M N of LA 21 · Structure no. 625208523002381

Built
1958
67 years old
Condition
Good
inspected October 2023
Type
Slab
Concrete
Length
80 ft
4 main spans
Daily traffic
1,219
2021 count
Owner
State
State Highway Agency

About this bridge

LA1083 over Bully Branch is a concrete slab carrying LA1083 over Bully Branch in St. Tammany 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,219 vehicles a day, roughly 13% of them trucks, projected to reach 1,340 by 2041. The structure is 80 ft (24.4 m) long and 30 ft wide.

Location

Open in Google Maps
CarriesLA1083
CrossesBully Branch
Location2.1 M N of LA 21
RouteState Highway 1083
CountySt. Tammany Parish
StateLouisiana
Coordinates30.59138, -90
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating43 US tons
Inventory rating26 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length80 ft (24.4 m)
Longest span20 ft (6.1 m)
Deck width30 ft (9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,219 (2021)
Projected traffic1,340 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 LA1083 over Bully Branch built?

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

What condition is LA1083 over Bully Branch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does LA1083 over Bully Branch carry?

About 1,219 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is LA1083 over Bully Branch?

The structure is 80 ft (24.4 m) long with a longest span of 20 ft (6.1 m) and a deck 30 ft wide.

Who owns LA1083 over Bully Branch?

It is owned by the State Highway Agency.