US Bridges

LA1054 over Big Creek Relief

Good

Tangipahoa Parish, Louisiana · 1.16 MI N of LA 1061 · Structure no. 625300000620334

Built
2017
8 years old
Condition
Good
inspected May 2023
Type
Slab
Concrete
Length
160 ft
8 main spans
Daily traffic
1,264
2021 count
Owner
State
State Highway Agency

About this bridge

LA1054 over Big Creek Relief is a concrete slab carrying LA1054 over Big Creek Relief in Tangipahoa Parish, Louisiana. It was built in 2017, so it is 8 years old, younger 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 1,264 vehicles a day, roughly 13% of them trucks, projected to reach 1,390 by 2041. The structure is 160 ft (48.8 m) long and 34 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesLA1054
CrossesBig Creek Relief
Location1.16 MI N of LA 1061
RouteState Highway 1054
CountyTangipahoa Parish
StateLouisiana
Coordinates30.78986, -90.44415
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.3 US tons
Inventory rating57.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans8
Design loadGreater than HL 93
Structure length160 ft (48.8 m)
Longest span20 ft (6.1 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,264 (2021)
Projected traffic1,390 by 2041
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 LA1054 over Big Creek Relief built?

It was built in 2017, making it 8 years old in 2025.

What condition is LA1054 over Big Creek Relief 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 LA1054 over Big Creek Relief carry?

About 1,264 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is LA1054 over Big Creek Relief?

The structure is 160 ft (48.8 m) long with a longest span of 20 ft (6.1 m) and a deck 34 ft wide.

Who owns LA1054 over Big Creek Relief?

It is owned by the State Highway Agency.