US Bridges

John Lewis RD over Little Valley Bayou

Poor

Iberia Parish, Louisiana · 0.3 Mi. E. of LA 83 · Structure no. 032329544914681

Built
1975
50 years old
Condition
Poor
inspected October 2024
Type
Slab
Concrete
Length
38 ft
2 main spans
Daily traffic
422
2020 count
Owner
County
County Highway Agency

About this bridge

John Lewis RD over Little Valley Bayou is a concrete slab carrying John Lewis RD over Little Valley Bayou in Iberia Parish, Louisiana. It was built in 1975, so it is 50 years old, older 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 422 vehicles a day, projected to reach 464 by 2040. The structure is 38 ft (11.6 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesJohn Lewis RD
CrossesLittle Valley Bayou
Location0.3 Mi. E. of LA 83
RouteCounty Highway 0
Coordinates29.9063, -91.77861
Functional classRural Local

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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating30.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span19 ft (5.8 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic422 (2020)
Projected traffic464 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 John Lewis RD over Little Valley Bayou built?

It was built in 1975, making it 50 years old in 2025.

What condition is John Lewis RD over Little Valley Bayou 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 2024.

How much traffic does John Lewis RD over Little Valley Bayou carry?

About 422 vehicles per day (2020 count).

How long is John Lewis RD over Little Valley Bayou?

The structure is 38 ft (11.6 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns John Lewis RD over Little Valley Bayou?

It is owned by the County Highway Agency.