US Bridges

Eighth Street over Bayou

Fair

Jefferson Davis Parish, Louisiana · 0.6 MI E of LA 26 · Structure no. 072730055923981

Built
1970
55 years old
Condition
Fair
inspected July 2024
Type
Channel Beam
Concrete
Length
41 ft
2 main spans
Daily traffic
160
2019 count
Owner
County
County Highway Agency

About this bridge

Eighth Street over Bayou is a concrete channel beam carrying Eighth Street over Bayou in Jefferson Davis Parish, Louisiana. It was built in 1970, so it is 55 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 160 vehicles a day, projected to reach 176 by 2039. The structure is 41 ft (12.5 m) long and 22 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesEighth Street
CrossesBayou
Location0.6 MI E of LA 26
RouteCounty Highway 0
CountyJefferson Davis Parish
StateLouisiana
Coordinates30.09168, -92.66492
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating45.3 US tons
Inventory rating23.3 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length41 ft (12.5 m)
Longest span21 ft (6.4 m)
Deck width22 ft (6.8 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic160 (2019)
Projected traffic176 by 2039
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 Eighth Street over Bayou built?

It was built in 1970, making it 55 years old in 2025.

What condition is Eighth Street over Bayou in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does Eighth Street over Bayou carry?

About 160 vehicles per day (2019 count).

How long is Eighth Street over Bayou?

The structure is 41 ft (12.5 m) long with a longest span of 21 ft (6.4 m) and a deck 22 ft wide.

Who owns Eighth Street over Bayou?

It is owned by the County Highway Agency.