US Bridges

LA0027 over Kelso Bayou/Hackberry

Poor

Cameron Parish, Louisiana · 10 MI S of LA 108 · Structure no. 071200310303551

Built
1977
48 years old
Condition
Poor
inspected January 2023
Type
Movable - Swing
Steel
Length
406 ft
14 main spans
Daily traffic
3,034
2022 count
Owner
State
State Highway Agency

About this bridge

LA0027 over Kelso Bayou/Hackberry is a steel movable - swing carrying LA0027 over Kelso Bayou/Hackberry in Cameron Parish, Louisiana. It was built in 1977, so it is 48 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 3,034 vehicles a day, roughly 18% of them trucks, projected to reach 3,337 by 2042. The structure is 406 ft (123.7 m) long and 44 ft wide. If it were closed, the detour would be 46 mi (74 km).

Location

Open in Google Maps
CarriesLA0027
CrossesKelso Bayou/Hackberry
Location10 MI S of LA 108
RouteState Highway 27
CountyCameron Parish
StateLouisiana
Coordinates30.00416, -93.34348
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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 rating31.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeMovable - Swing
MaterialSteel
DeckConcrete, cast-in-place
Main spans14
Design loadHS 20
Structure length406 ft (123.7 m)
Longest span145 ft (44.2 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deck18 ft (5.5 m)

Traffic and service

Average daily traffic3,034 (2022)
Projected traffic3,337 by 2042
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed46 mi (74 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 Kelso Bayou/Hackberry built?

It was built in 1977, making it 48 years old in 2025.

What condition is LA0027 over Kelso Bayou/Hackberry in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2023.

How much traffic does LA0027 over Kelso Bayou/Hackberry carry?

About 3,034 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is LA0027 over Kelso Bayou/Hackberry?

The structure is 406 ft (123.7 m) long with a longest span of 145 ft (44.2 m) and a deck 44 ft wide.

Who owns LA0027 over Kelso Bayou/Hackberry?

It is owned by the State Highway Agency.