US Bridges

LA0027 over Intracoastal Waterway

Fair

Cameron Parish, Louisiana · 8.5 Mi. N of Int LA 1143 · Structure no. 071201930208531

Built
1976
49 years old
Condition
Fair
inspected April 2024
Type
Girder and Floorbeam System
Steel
Length
4,244 ft
3 main spans
Daily traffic
3,506
2021 count
Owner
State
State Highway Agency

About this bridge

LA0027 over Intracoastal Waterway is a steel girder and floorbeam system carrying LA0027 over Intracoastal Waterway in Cameron Parish, Louisiana. It was built in 1976, so it is 49 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 3,506 vehicles a day, roughly 17% of them trucks, projected to reach 3,856 by 2041. The structure is 4,244 ft (1,293.6 m) long and 38 ft wide. If it were closed, the detour would be 60.9 mi (98 km).

Location

Open in Google Maps
CarriesLA0027
CrossesIntracoastal Waterway
Location8.5 Mi. N of Int LA 1143
RouteState Highway 27
CountyCameron Parish
StateLouisiana
Coordinates29.9277, -93.07899
Functional classRural Major 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 protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 12 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating34 US tons
Inventory rating26.1 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans3 (+47 approach)
Design loadHS 20
Structure length4,244 ft (1,293.6 m)
Longest span300 ft (91.4 m)
Deck width38 ft (11.5 m)
Roadway width35 ft (10.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,506 (2021)
Projected traffic3,856 by 2041
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed60.9 mi (98 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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was LA0027 over Intracoastal Waterway built?

It was built in 1976, making it 49 years old in 2025.

What condition is LA0027 over Intracoastal Waterway 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 April 2024.

How much traffic does LA0027 over Intracoastal Waterway carry?

About 3,506 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is LA0027 over Intracoastal Waterway?

The structure is 4,244 ft (1,293.6 m) long with a longest span of 300 ft (91.4 m) and a deck 38 ft wide.

Who owns LA0027 over Intracoastal Waterway?

It is owned by the State Highway Agency.