US Bridges

LA1054 over Big Creek

Good

Tangipahoa Parish, Louisiana · 2.76 MI N of LA 10 · Structure no. 625300000620316

Built
2018
7 years old
Condition
Good
inspected March 2023
Type
Slab
Concrete
Length
360 ft
18 main spans
Daily traffic
1,159
2021 count
Owner
State
State Highway Agency

About this bridge

LA1054 over Big Creek is a concrete slab carrying LA1054 over Big Creek in Tangipahoa Parish, Louisiana. It was built in 2018, so it is 7 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,159 vehicles a day, roughly 11% of them trucks, projected to reach 1,274 by 2041. The structure is 360 ft (109.7 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesLA1054
CrossesBig Creek
Location2.76 MI N of LA 10
RouteState Highway 1054
CountyTangipahoa Parish
StateLouisiana
Coordinates30.83306, -90.44479
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating66 US tons
Inventory rating51 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans18
Design loadGreater than HL 93
Structure length360 ft (109.7 m)
Longest span20 ft (6.1 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,159 (2021)
Projected traffic1,274 by 2041
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 built?

It was built in 2018, making it 7 years old in 2025.

What condition is LA1054 over Big Creek 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 March 2023.

How much traffic does LA1054 over Big Creek carry?

About 1,159 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is LA1054 over Big Creek?

The structure is 360 ft (109.7 m) long with a longest span of 20 ft (6.1 m) and a deck 31 ft wide.

Who owns LA1054 over Big Creek?

It is owned by the State Highway Agency.