US Bridges

Lajaunie RD over Vermillion River

Good

Lafayette Parish, Louisiana · 1.10 M S of I-10 · Structure no. 032800000030504

Built
2017
8 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
160 ft
4 main spans
Daily traffic
680
2020 count
Owner
County
County Highway Agency

About this bridge

Lajaunie RD over Vermillion River is a prestressed concrete stringer/multi-beam or girder carrying Lajaunie RD over Vermillion River in Lafayette Parish, Louisiana. It was built in 2017, so it is 8 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 680 vehicles a day, projected to reach 748 by 2040. The structure is 160 ft (48.8 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesLajaunie RD
CrossesVermillion River
Location1.10 M S of I-10
RouteCounty Highway 0
CountyLafayette Parish
StateLouisiana
Coordinates30.25841, -91.98111
Functional classUrban 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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating54.7 US tons
Inventory rating31.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadH 20
Structure length160 ft (48.8 m)
Longest span40 ft (12.2 m)
Deck width32 ft (9.9 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic680 (2020)
Projected traffic748 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Lajaunie RD over Vermillion River built?

It was built in 2017, making it 8 years old in 2025.

What condition is Lajaunie RD over Vermillion River 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 January 2024.

How much traffic does Lajaunie RD over Vermillion River carry?

About 680 vehicles per day (2020 count).

How long is Lajaunie RD over Vermillion River?

The structure is 160 ft (48.8 m) long with a longest span of 40 ft (12.2 m) and a deck 32 ft wide.

Who owns Lajaunie RD over Vermillion River?

It is owned by the County Highway Agency.