US Bridges

LA0083 over Stumpy Bayou

Good

Iberia Parish, Louisiana · 5.5 MI N of LA 319 · Structure no. 032300000030399

Built
2011
14 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
325 ft
3 main spans
Daily traffic
3,078
2021 count
Owner
State
State Highway Agency

About this bridge

LA0083 over Stumpy Bayou is a steel stringer/multi-beam or girder carrying LA0083 over Stumpy Bayou in Iberia Parish, Louisiana. It was built in 2011, so it is 14 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,078 vehicles a day, roughly 13% of them trucks, projected to reach 3,385 by 2041. The structure is 325 ft (99.1 m) long and 35 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesLA0083
CrossesStumpy Bayou
Location5.5 MI N of LA 319
RouteState Highway 83
CountyIberia Parish
StateLouisiana
Coordinates29.85174, -91.7876
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24.7 US tons
Inventory rating19 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3 (+5 approach)
Design loadHS 20
Structure length325 ft (99.1 m)
Longest span87 ft (26.5 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,078 (2021)
Projected traffic3,385 by 2041
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0083 over Stumpy Bayou built?

It was built in 2011, making it 14 years old in 2025.

What condition is LA0083 over Stumpy Bayou in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does LA0083 over Stumpy Bayou carry?

About 3,078 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is LA0083 over Stumpy Bayou?

The structure is 325 ft (99.1 m) long with a longest span of 87 ft (26.5 m) and a deck 35 ft wide.

Who owns LA0083 over Stumpy Bayou?

It is owned by the State Highway Agency.