US Bridges

Aaron Road over Chene Bayou

Poor

Jefferson Davis Parish, Louisiana · 2.5 MI W. of LA 26 · Structure no. 072730156924221

Built
1979
46 years old
Condition
Poor
inspected September 2024
Type
Channel Beam
Prestressed Concrete
Length
81 ft
3 main spans
Daily traffic
30
2019 count
Owner
County
County Highway Agency

About this bridge

Aaron Road over Chene Bayou is a prestressed concrete channel beam carrying Aaron Road over Chene Bayou in Jefferson Davis Parish, Louisiana. It was built in 1979, so it is 46 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 30 vehicles a day, projected to reach 33 by 2039. The structure is 81 ft (24.7 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesAaron Road
CrossesChene Bayou
Location2.5 MI W. of LA 26
RouteCounty Highway 0
Coordinates30.26078, -92.70504
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 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 alignment6: Equal to present minimum criteria
Operating rating25.7 US tons
Inventory rating13.9 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length81 ft (24.7 m)
Longest span27 ft (8.2 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2019)
Projected traffic33 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Aaron Road over Chene Bayou built?

It was built in 1979, making it 46 years old in 2025.

What condition is Aaron Road over Chene 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 September 2024.

How much traffic does Aaron Road over Chene Bayou carry?

About 30 vehicles per day (2019 count).

How long is Aaron Road over Chene Bayou?

The structure is 81 ft (24.7 m) long with a longest span of 27 ft (8.2 m) and a deck 22 ft wide.

Who owns Aaron Road over Chene Bayou?

It is owned by the County Highway Agency.