US Bridges

Ridge RD over Bayou Danials

GoodPosted for load

Iberville Parish, Louisiana · 4 Mi. SW of White Castle · Structure no. 612430082911201

Built
1998
27 years old
Condition
Good
inspected December 2024
Type
Slab
Concrete
Length
57 ft
3 main spans
Daily traffic
120
2019 count
Owner
County
County Highway Agency

About this bridge

Ridge RD over Bayou Danials is a concrete slab carrying Ridge RD over Bayou Danials in Iberville Parish, Louisiana. It was built in 1998, so it is 27 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 120 vehicles a day, projected to reach 132 by 2039. The structure is 57 ft (17.4 m) long and 32 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesRidge RD
CrossesBayou Danials
Location4 Mi. SW of White Castle
RouteCounty Highway 0
Coordinates30.13526, -91.20074
Functional classRural Minor Arterial

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.7 US tons
Inventory rating24.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2019)
Projected traffic132 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ridge RD over Bayou Danials built?

It was built in 1998, making it 27 years old in 2025.

What condition is Ridge RD over Bayou Danials 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 December 2024.

How much traffic does Ridge RD over Bayou Danials carry?

About 120 vehicles per day (2019 count).

How long is Ridge RD over Bayou Danials?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 32 ft wide.

Who owns Ridge RD over Bayou Danials?

It is owned by the County Highway Agency.