US Bridges

LA0450 over Catca Creek

Fair

Washington Parish, Louisiana · 5.5 Miles No of LA 25 · Structure no. 625908590302391

Built
1998
27 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete
Length
190 ft
10 main spans
Daily traffic
1,822
2021 count
Owner
State
State Highway Agency

About this bridge

LA0450 over Catca Creek is a concrete slab carrying LA0450 over Catca Creek in Washington Parish, Louisiana. It was built in 1998, so it is 27 years old, younger 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 5 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 1,822 vehicles a day, roughly 13% of them trucks, projected to reach 2,004 by 2041. The structure is 190 ft (57.9 m) long and 31 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesLA0450
CrossesCatca Creek
Location5.5 Miles No of LA 25
RouteState Highway 450
Coordinates30.73949, -90.2361
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.8 US tons
Inventory rating48.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans10
Design loadHS 20
Structure length190 ft (57.9 m)
Longest span19 ft (5.8 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,822 (2021)
Projected traffic2,004 by 2041
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 LA0450 over Catca Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is LA0450 over Catca 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 May 2024.

How much traffic does LA0450 over Catca Creek carry?

About 1,822 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is LA0450 over Catca Creek?

The structure is 190 ft (57.9 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns LA0450 over Catca Creek?

It is owned by the State Highway Agency.