US Bridges

LA0097 over Bayou Nezpique

Fair

Acadia Parish, Louisiana · 0.3 MI North of I-10 · Structure no. 030102010200001

Built
1990
35 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
778 ft
1 main span
Daily traffic
1,175
2021 count
Owner
State
State Highway Agency

About this bridge

LA0097 over Bayou Nezpique is a prestressed concrete stringer/multi-beam or girder carrying LA0097 over Bayou Nezpique in Acadia Parish, Louisiana. It was built in 1990, so it is 35 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 1,175 vehicles a day, roughly 13% of them trucks, projected to reach 1,292 by 2041. The structure is 778 ft (237.1 m) long and 43 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

Location

Open in Google Maps
CarriesLA0097
CrossesBayou Nezpique
Location0.3 MI North of I-10
RouteState Highway 97
CountyAcadia Parish
StateLouisiana
Coordinates30.24505, -92.62681
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionFebruary 2024
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 rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+10 approach)
Design loadHS 20
Structure length778 ft (237.1 m)
Longest span96 ft (29.3 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,175 (2021)
Projected traffic1,292 by 2041
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 LA0097 over Bayou Nezpique built?

It was built in 1990, making it 35 years old in 2025.

What condition is LA0097 over Bayou Nezpique 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 February 2024.

How much traffic does LA0097 over Bayou Nezpique carry?

About 1,175 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is LA0097 over Bayou Nezpique?

The structure is 778 ft (237.1 m) long with a longest span of 96 ft (29.3 m) and a deck 43 ft wide.

Who owns LA0097 over Bayou Nezpique?

It is owned by the State Highway Agency.