US Bridges

Ellerbe RD over Ellerby Rd. Bayou Pierre

Fair

Caddo Parish, Louisiana · 270 Ft So Int LA 175 · Structure no. 040932180933761

Built
1982
43 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
200 ft
4 main spans
Daily traffic
315
2019 count
Owner
County
County Highway Agency

About this bridge

Ellerbe RD over Ellerby Rd. Bayou Pierre is a prestressed concrete stringer/multi-beam or girder carrying Ellerbe RD over Ellerby Rd. Bayou Pierre in Caddo Parish, Louisiana. It was built in 1982, so it is 43 years old, younger 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 6 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 315 vehicles a day, projected to reach 346 by 2039. The structure is 200 ft (61 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesEllerbe RD
CrossesEllerby Rd. Bayou Pierre
Location270 Ft So Int LA 175
RouteCounty Highway 0
CountyCaddo Parish
StateLouisiana
Coordinates32.30078, -93.62681
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.6 US tons
Inventory rating52.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length200 ft (61 m)
Longest span50 ft (15.2 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic315 (2019)
Projected traffic346 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Ellerbe RD over Ellerby Rd. Bayou Pierre built?

It was built in 1982, making it 43 years old in 2025.

What condition is Ellerbe RD over Ellerby Rd. Bayou Pierre 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 March 2023.

How much traffic does Ellerbe RD over Ellerby Rd. Bayou Pierre carry?

About 315 vehicles per day (2019 count).

How long is Ellerbe RD over Ellerby Rd. Bayou Pierre?

The structure is 200 ft (61 m) long with a longest span of 50 ft (15.2 m) and a deck 33 ft wide.

Who owns Ellerbe RD over Ellerby Rd. Bayou Pierre?

It is owned by the County Highway Agency.