US Bridges

LA0146 over Big Creek Relief

Good

Lincoln Parish, Louisiana · 1.38 Mi. East of LA 563 · Structure no. 053100000050223

Built
2013
12 years old
Condition
Good
inspected November 2023
Type
Slab
Concrete
Length
160 ft
8 main spans
Daily traffic
2,775
2021 count
Owner
State
State Highway Agency

About this bridge

LA0146 over Big Creek Relief is a concrete slab carrying LA0146 over Big Creek Relief in Lincoln Parish, Louisiana. It was built in 2013, so it is 12 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 2,775 vehicles a day, roughly 15% of them trucks, projected to reach 3,052 by 2041. The structure is 160 ft (48.8 m) long and 43 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesLA0146
CrossesBig Creek Relief
Location1.38 Mi. East of LA 563
RouteState Highway 146
CountyLincoln Parish
StateLouisiana
Coordinates32.63083, -92.7229
Functional classRural Major 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 inspectionNovember 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 alignment6: Equal to present minimum criteria
Operating rating50 US tons
Inventory rating38.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans8
Design loadHL 93
Structure length160 ft (48.8 m)
Longest span20 ft (6.1 m)
Deck width43 ft (13 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,775 (2021)
Projected traffic3,052 by 2041
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0146 over Big Creek Relief built?

It was built in 2013, making it 12 years old in 2025.

What condition is LA0146 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 November 2023.

How much traffic does LA0146 over Big Creek Relief carry?

About 2,775 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is LA0146 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 43 ft wide.

Who owns LA0146 over Big Creek Relief?

It is owned by the State Highway Agency.