US Bridges

LA1049 over Jennys Branch

Good

Tangipahoa Parish, Louisiana · La. 1049 · Structure no. 625308530400451

Built
1960
65 years old
Condition
Good
inspected May 2023
Type
Slab
Concrete
Length
60 ft
3 main spans
Daily traffic
574
2021 count
Owner
State
State Highway Agency

About this bridge

LA1049 over Jennys Branch is a concrete slab carrying LA1049 over Jennys Branch in Tangipahoa Parish, Louisiana. It was built in 1960, so it is 65 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 574 vehicles a day, roughly 13% of them trucks, projected to reach 631 by 2041. The structure is 60 ft (18.3 m) long and 29 ft wide.

CarriesLA1049
CrossesJennys Branch
LocationLa. 1049
RouteState Highway 1049
Coordinates30.88615, -90.5668
Functional classRural Local

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 inspectionMay 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 alignment8: Equal to present desirable criteria
Operating rating43 US tons
Inventory rating26 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span20 ft (6.1 m)
Deck width29 ft (8.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic574 (2021)
Projected traffic631 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$327,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA1049 over Jennys Branch built?

It was built in 1960, making it 65 years old in 2025.

What condition is LA1049 over Jennys 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 May 2023.

How much traffic does LA1049 over Jennys Branch carry?

About 574 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is LA1049 over Jennys Branch?

The structure is 60 ft (18.3 m) long with a longest span of 20 ft (6.1 m) and a deck 29 ft wide.

Who owns LA1049 over Jennys Branch?

It is owned by the State Highway Agency.