US Bridges

LA0520 over Steep Creek

Fair

Claiborne Parish, Louisiana · 1.95 MI North of LA 2 Alt · Structure no. 041401010201951

Built
1961
64 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
34 ft
6 main spans
Daily traffic
374
2021 count
Owner
State
State Highway Agency

About this bridge

LA0520 over Steep Creek is a concrete culvert carrying LA0520 over Steep Creek in Claiborne Parish, Louisiana. It was built in 1961, so it is 64 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 374 vehicles a day, roughly 20% of them trucks, projected to reach 411 by 2041. The structure is 34 ft (10.4 m) long and 38 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesLA0520
CrossesSteep Creek
Location1.95 MI North of LA 2 Alt
RouteState Highway 520
Coordinates32.97805, -92.97388
Functional classRural Local

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans6
Design loadH 15
Structure length34 ft (10.4 m)
Longest span5 ft (1.5 m)
Deck width38 ft (11.6 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic374 (2021)
Projected traffic411 by 2041
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 LA0520 over Steep Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is LA0520 over Steep 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 August 2024.

How much traffic does LA0520 over Steep Creek carry?

About 374 vehicles per day (2021 count), of which roughly 20% are trucks.

How long is LA0520 over Steep Creek?

The structure is 34 ft (10.4 m) long with a longest span of 5 ft (1.5 m) and a deck 38 ft wide.

Who owns LA0520 over Steep Creek?

It is owned by the State Highway Agency.