US Bridges

LA1049 over Button Creek

Fair

Tangipahoa Parish, Louisiana · LA1049 · Structure no. 625308530404261

Built
1973
52 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete
Length
77 ft
4 main spans
Daily traffic
574
2021 count
Owner
State
State Highway Agency

About this bridge

LA1049 over Button Creek is a concrete slab carrying LA1049 over Button Creek in Tangipahoa 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 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 574 vehicles a day, roughly 13% of them trucks, projected to reach 631 by 2041. The structure is 77 ft (23.5 m) long and 31 ft wide.

Location

Open in Google Maps
CarriesLA1049
CrossesButton Creek
LocationLA1049
RouteState Highway 1049
CountyTangipahoa Parish
StateLouisiana
Coordinates30.92281, -90.5267
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating72 US tons
Inventory rating43 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length77 ft (23.5 m)
Longest span19 ft (5.8 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA1049 over Button Creek built?

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

What condition is LA1049 over Button Creek 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 2023.

How much traffic does LA1049 over Button Creek carry?

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

How long is LA1049 over Button Creek?

The structure is 77 ft (23.5 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns LA1049 over Button Creek?

It is owned by the State Highway Agency.