US Bridges

LA0550 over Creek

Fair

Union Parish, Louisiana · 3.8 MI North of LA 2 · Structure no. 055603110103821

Built
1971
54 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete
Length
59 ft
2 main spans
Daily traffic
464
2021 count
Owner
State
State Highway Agency

About this bridge

LA0550 over Creek is a concrete slab carrying LA0550 over Creek in Union Parish, Louisiana. It was built in 1971, so it is 54 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 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 464 vehicles a day, roughly 19% of them trucks, projected to reach 510 by 2041. The structure is 59 ft (18 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesLA0550
CrossesCreek
Location3.8 MI North of LA 2
RouteState Highway 550
CountyUnion Parish
StateLouisiana
Coordinates32.84967, -92.5896
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionFebruary 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43 US tons
Inventory rating26 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length59 ft (18 m)
Longest span19 ft (5.8 m)
Deck width32 ft (9.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic464 (2021)
Projected traffic510 by 2041
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 LA0550 over Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is LA0550 over 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 February 2024.

How much traffic does LA0550 over Creek carry?

About 464 vehicles per day (2021 count), of which roughly 19% are trucks.

How long is LA0550 over Creek?

The structure is 59 ft (18 m) long with a longest span of 19 ft (5.8 m) and a deck 32 ft wide.

Who owns LA0550 over Creek?

It is owned by the State Highway Agency.