US Bridges

LA0448 over Strother Creek

Fair

St. Helena Parish, Louisiana · 2.0 M N of LA 37 · Structure no. 624602543102331

Built
1962
63 years old
Condition
Fair
inspected October 2024
Type
Culvert
Steel
Length
29 ft
2 main spans
Daily traffic
547
2021 count
Owner
State
State Highway Agency

About this bridge

LA0448 over Strother Creek is a steel culvert carrying LA0448 over Strother 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 29 ft (8.8 m) long and 46 ft wide.

CarriesLA0448
CrossesStrother Creek
Location2.0 M N of LA 37
RouteState Highway 448
Coordinates30.80901, -90.8217
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.9 US tons
Inventory rating49.6 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadH 15
Structure length29 ft (8.8 m)
Longest span13 ft (4 m)
Deck width46 ft (14 m)
Roadway width22 ft (6.7 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 Strother Creek built?

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

What condition is LA0448 over Strother 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 Strother Creek carry?

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

How long is LA0448 over Strother Creek?

The structure is 29 ft (8.8 m) long with a longest span of 13 ft (4 m) and a deck 46 ft wide.

Who owns LA0448 over Strother Creek?

It is owned by the State Highway Agency.