US Bridges

LA0448 over Rocky Creek

Fair

St. Helena Parish, Louisiana · LA0448 · Structure no. 624602543102751

Built
1962
63 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
140 ft
7 main spans
Daily traffic
547
2021 count
Owner
State
State Highway Agency

About this bridge

LA0448 over Rocky Creek is a concrete slab carrying LA0448 over Rocky Creek in St. Helena Parish, Louisiana. It was built in 1962, so it is 63 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 547 vehicles a day, roughly 13% of them trucks, projected to reach 601 by 2041. The structure is 140 ft (42.7 m) long and 30 ft wide.

CarriesLA0448
CrossesRocky Creek
LocationLA0448
RouteState Highway 448
Coordinates30.81493, -90.8214
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length140 ft (42.7 m)
Longest span20 ft (6.1 m)
Deck width30 ft (9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic547 (2021)
Projected traffic601 by 2041
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 LA0448 over Rocky Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is LA0448 over Rocky Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does LA0448 over Rocky Creek carry?

About 547 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is LA0448 over Rocky Creek?

The structure is 140 ft (42.7 m) long with a longest span of 20 ft (6.1 m) and a deck 30 ft wide.

Who owns LA0448 over Rocky Creek?

It is owned by the State Highway Agency.