US Bridges

LA0557 over Little Cypress Creek

Good

Caldwell Parish, Louisiana · 3.6 Miles North of HWY 4 · Structure no. 581100000580172

Built
2015
10 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
36 ft
4 main spans
Daily traffic
1,073
2021 count
Owner
State
State Highway Agency

About this bridge

LA0557 over Little Cypress Creek is a concrete culvert carrying LA0557 over Little Cypress Creek in Caldwell Parish, Louisiana. It was built in 2015, so it is 10 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 1,073 vehicles a day, roughly 21% of them trucks, projected to reach 1,180 by 2041. The structure is 36 ft (11 m) long and 87 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesLA0557
CrossesLittle Cypress Creek
Location3.6 Miles North of HWY 4
RouteState Highway 557
Coordinates32.27736, -92.24362
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length36 ft (11 m)
Longest span8 ft (2.4 m)
Deck width87 ft (26.5 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,073 (2021)
Projected traffic1,180 by 2041
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 LA0557 over Little Cypress Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is LA0557 over Little Cypress 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 December 2024.

How much traffic does LA0557 over Little Cypress Creek carry?

About 1,073 vehicles per day (2021 count), of which roughly 21% are trucks.

How long is LA0557 over Little Cypress Creek?

The structure is 36 ft (11 m) long with a longest span of 8 ft (2.4 m) and a deck 87 ft wide.

Who owns LA0557 over Little Cypress Creek?

It is owned by the State Highway Agency.