US Bridges

D a Biglane RD over Vidalia Canal

GoodPosted for load

Concordia Parish, Louisiana · 1.2 M N of LA 131 · Structure no. 581531329913001

Built
1997
28 years old
Condition
Good
inspected March 2024
Type
Slab
Concrete
Length
114 ft
6 main spans
Daily traffic
10
2016 count
Owner
County
County Highway Agency

About this bridge

D a Biglane RD over Vidalia Canal is a concrete slab carrying D a Biglane RD over Vidalia Canal in Concordia Parish, Louisiana. It was built in 1997, so it is 28 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. Its operating status is: posted for load restriction.

It carries about 10 vehicles a day, projected to reach 11 by 2036. The structure is 114 ft (34.7 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesD a Biglane RD
CrossesVidalia Canal
Location1.2 M N of LA 131
RouteCounty Highway 0
Coordinates31.55936, -91.49739
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating37.1 US tons
Inventory rating28.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans6
Design loadHS 20
Structure length114 ft (34.7 m)
Longest span19 ft (5.8 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2016)
Projected traffic11 by 2036
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 D a Biglane RD over Vidalia Canal built?

It was built in 1997, making it 28 years old in 2025.

What condition is D a Biglane RD over Vidalia Canal 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 March 2024.

How much traffic does D a Biglane RD over Vidalia Canal carry?

About 10 vehicles per day (2016 count).

How long is D a Biglane RD over Vidalia Canal?

The structure is 114 ft (34.7 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.

Who owns D a Biglane RD over Vidalia Canal?

It is owned by the County Highway Agency.