US Bridges

LA0027 over Bayou Dinde

Fair

Calcasieu Parish, Louisiana · 0.2 MI N of I-10 · Structure no. 071008102702451

Built
1987
38 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete
Length
140 ft
7 main spans
Daily traffic
19,872
2021 count
Owner
State
State Highway Agency

About this bridge

LA0027 over Bayou Dinde is a concrete slab carrying LA0027 over Bayou Dinde in Calcasieu Parish, Louisiana. It was built in 1987, so it is 38 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 19,872 vehicles a day, roughly 10% of them trucks, projected to reach 21,859 by 2041. The structure is 140 ft (42.7 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLA0027
CrossesBayou Dinde
Location0.2 MI N of I-10
RouteState Highway 27
Coordinates30.21866, -93.35843
Functional classUrban Minor Arterial

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating74 US tons
Inventory rating44 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length140 ft (42.7 m)
Longest span20 ft (6.1 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,872 (2021)
Projected traffic21,859 by 2041
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 LA0027 over Bayou Dinde built?

It was built in 1987, making it 38 years old in 2025.

What condition is LA0027 over Bayou Dinde 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 March 2023.

How much traffic does LA0027 over Bayou Dinde carry?

About 19,872 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is LA0027 over Bayou Dinde?

The structure is 140 ft (42.7 m) long with a longest span of 20 ft (6.1 m) and a deck 43 ft wide.

Who owns LA0027 over Bayou Dinde?

It is owned by the State Highway Agency.