US Bridges

LA0557 over Cypress Creek

Good

Ouachita Parish, Louisiana · 10.30 Mi. S. of LA 34 · Structure no. 053700000050298

Built
2019
6 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete
Length
140 ft
7 main spans
Daily traffic
1,073
2021 count
Owner
State
State Highway Agency

About this bridge

LA0557 over Cypress Creek is a concrete slab carrying LA0557 over Cypress Creek in Ouachita Parish, Louisiana. It was built in 2019, so it is 6 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 15% of them trucks, projected to reach 1,180 by 2041. The structure is 140 ft (42.7 m) long and 34 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesLA0557
CrossesCypress Creek
Location10.30 Mi. S. of LA 34
RouteState Highway 557
Coordinates32.28947, -92.24611
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
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 adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating78.6 US tons
Inventory rating60.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans7
Design loadGreater than HL 93
Structure length140 ft (42.7 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 traffic1,073 (2021)
Projected traffic1,180 by 2041
Trucks15%
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 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 LA0557 over Cypress Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is LA0557 over 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 October 2024.

How much traffic does LA0557 over Cypress Creek carry?

About 1,073 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is LA0557 over Cypress Creek?

The structure is 140 ft (42.7 m) long with a longest span of 20 ft (6.1 m) and a deck 34 ft wide.

Who owns LA0557 over Cypress Creek?

It is owned by the State Highway Agency.