US Bridges

LA0027 over I-10

Poor

Calcasieu Parish, Louisiana · 1.5 MI S of US 90 · Structure no. 071008102702222

Built
1962
63 years old
Condition
Poor
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
280 ft
6 main spans
Daily traffic
14,973
2022 count
Owner
State
State Highway Agency

About this bridge

LA0027 over I-10 is a steel stringer/multi-beam or girder carrying LA0027 over I-10 in Calcasieu Parish, Louisiana. It was built in 1962, so it is 63 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 14,973 vehicles a day, roughly 10% of them trucks, projected to reach 16,470 by 2042. The structure is 280 ft (85.3 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLA0027
CrossesI-10
Location1.5 MI S of US 90
RouteState Highway 27
Coordinates30.21626, -93.35864
Functional classUrban 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating36.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length280 ft (85.3 m)
Longest span80 ft (24.4 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,973 (2022)
Projected traffic16,470 by 2042
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was LA0027 over I-10 built?

It was built in 1962, making it 63 years old in 2025.

What condition is LA0027 over I-10 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 February 2023.

How much traffic does LA0027 over I-10 carry?

About 14,973 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is LA0027 over I-10?

The structure is 280 ft (85.3 m) long with a longest span of 80 ft (24.4 m) and a deck 33 ft wide.

Who owns LA0027 over I-10?

It is owned by the State Highway Agency.