US Bridges

S. Dearborne Rd. over Bayou Queue De Tortue

Good

Lafayette Parish, Louisiana · 1.1 MI South of LA 342 · Structure no. 032800000030070

Built
2013
12 years old
Condition
Good
inspected January 2024
Type
Slab
Concrete
Length
125 ft
5 main spans
Daily traffic
20
2020 count
Owner
County
County Highway Agency

About this bridge

S. Dearborne Rd. over Bayou Queue De Tortue is a concrete slab carrying S. Dearborne Rd. over Bayou Queue De Tortue in Lafayette Parish, Louisiana. It was built in 2013, so it is 12 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 20 vehicles a day, projected to reach 22 by 2040. The structure is 125 ft (38.1 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesS. Dearborne Rd.
CrossesBayou Queue De Tortue
Location1.1 MI South of LA 342
RouteCounty Highway 0
Coordinates30.14653, -92.19679
Functional classRural Local

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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating42.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length125 ft (38.1 m)
Longest span25 ft (7.6 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2020)
Projected traffic22 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 S. Dearborne Rd. over Bayou Queue De Tortue built?

It was built in 2013, making it 12 years old in 2025.

What condition is S. Dearborne Rd. over Bayou Queue De Tortue 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 S. Dearborne Rd. over Bayou Queue De Tortue carry?

About 20 vehicles per day (2020 count).

How long is S. Dearborne Rd. over Bayou Queue De Tortue?

The structure is 125 ft (38.1 m) long with a longest span of 25 ft (7.6 m) and a deck 31 ft wide.

Who owns S. Dearborne Rd. over Bayou Queue De Tortue?

It is owned by the County Highway Agency.