US Bridges

LA3063 over I-10

Fair

Calcasieu Parish, Louisiana · 0.8 MI S of US 90 · Structure no. 071008102504621

Built
1966
59 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
242 ft
4 main spans
Daily traffic
1,918
2021 count
Owner
State
State Highway Agency

About this bridge

LA3063 over I-10 is a steel stringer/multi-beam or girder carrying LA3063 over I-10 in Calcasieu Parish, Louisiana. It was built in 1966, so it is 59 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 1,918 vehicles a day, roughly 17% of them trucks, projected to reach 2,109 by 2041. The structure is 242 ft (73.8 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesLA3063
CrossesI-10
Location0.8 MI S of US 90
RouteCounty Highway 0
CountyCalcasieu Parish
StateLouisiana
Coordinates30.17615, -93.58724
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.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating63.1 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length242 ft (73.8 m)
Longest span80 ft (24.4 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,918 (2021)
Projected traffic2,109 by 2041
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was LA3063 over I-10 built?

It was built in 1966, making it 59 years old in 2025.

What condition is LA3063 over I-10 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 November 2024.

How much traffic does LA3063 over I-10 carry?

About 1,918 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is LA3063 over I-10?

The structure is 242 ft (73.8 m) long with a longest span of 80 ft (24.4 m) and a deck 33 ft wide.

Who owns LA3063 over I-10?

It is owned by the State Highway Agency.