US Bridges

Ridge Rd. over Indian Bayou (spoil Bank

Poor

Lafayette Parish, Louisiana · 0.65 MI E of LA 343 · Structure no. 032830107920981

Built
1987
38 years old
Condition
Poor
inspected October 2023
Type
Slab
Concrete
Length
60 ft
3 main spans
Daily traffic
2,790
2020 count
Owner
County
County Highway Agency

About this bridge

Ridge Rd. over Indian Bayou (spoil Bank is a concrete slab carrying Ridge Rd. over Indian Bayou (spoil Bank in Lafayette Parish, Louisiana. It was built in 1987, so it is 38 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 2,790 vehicles a day, projected to reach 3,069 by 2040. The structure is 60 ft (18.3 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesRidge Rd.
CrossesIndian Bayou (spoil Bank
Location0.65 MI E of LA 343
RouteCounty Highway 0
CountyLafayette Parish
StateLouisiana
Coordinates30.18097, -92.16508
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.9 US tons
Inventory rating54 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span20 ft (6.1 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,790 (2020)
Projected traffic3,069 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ridge Rd. over Indian Bayou (spoil Bank built?

It was built in 1987, making it 38 years old in 2025.

What condition is Ridge Rd. over Indian Bayou (spoil Bank in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2023.

How much traffic does Ridge Rd. over Indian Bayou (spoil Bank carry?

About 2,790 vehicles per day (2020 count).

How long is Ridge Rd. over Indian Bayou (spoil Bank?

The structure is 60 ft (18.3 m) long with a longest span of 20 ft (6.1 m) and a deck 27 ft wide.

Who owns Ridge Rd. over Indian Bayou (spoil Bank?

It is owned by the County Highway Agency.