US Bridges

Middle Pearl DR over Bayou

FairPosted for load

St. Tammany Parish, Louisiana · 1.5 M E US190/INDIAN V.Rd · Structure no. 625230155894151

Built
1990
35 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
85 ft
3 main spans
Daily traffic
200
1989 count
Owner
County
County Highway Agency

About this bridge

Middle Pearl DR over Bayou is a steel stringer/multi-beam or girder carrying Middle Pearl DR over Bayou in St. Tammany Parish, Louisiana. It was built in 1990, so it is 35 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 200 vehicles a day, projected to reach 220 by 2009. The structure is 85 ft (25.9 m) long and 28 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesMiddle Pearl DR
CrossesBayou
Location1.5 M E US190/INDIAN V.Rd
RouteCounty Highway 0
CountySt. Tammany Parish
StateLouisiana
Coordinates30.25741, -89.68472
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
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 alignment7: Better than present minimum criteria
Operating rating19.3 US tons
Inventory rating14.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length85 ft (25.9 m)
Longest span62 ft (18.9 m)
Deck width28 ft (8.4 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (1989)
Projected traffic220 by 2009
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Middle Pearl DR over Bayou built?

It was built in 1990, making it 35 years old in 2025.

What condition is Middle Pearl DR 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 February 2023.

How much traffic does Middle Pearl DR over Bayou carry?

About 200 vehicles per day (1989 count).

How long is Middle Pearl DR over Bayou?

The structure is 85 ft (25.9 m) long with a longest span of 62 ft (18.9 m) and a deck 28 ft wide.

Who owns Middle Pearl DR over Bayou?

It is owned by the County Highway Agency.