US Bridges

Old Blanchard RD over Cross Bayou

Good

Caddo Parish, Louisiana · 0.39 MI South of LA 173 · Structure no. 040932308934781

Built
1987
38 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
302 ft
6 main spans
Daily traffic
6,323
1986 count
Owner
City
City or Municipal Highway Agency

About this bridge

Old Blanchard RD over Cross Bayou is a prestressed concrete stringer/multi-beam or girder carrying Old Blanchard RD over Cross Bayou in Caddo Parish, Louisiana. It was built in 1987, so it is 38 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,323 vehicles a day, projected to reach 6,955 by 2006. The structure is 302 ft (92 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesOld Blanchard RD
CrossesCross Bayou
Location0.39 MI South of LA 173
RouteCity Street 0
CountyCaddo Parish
StateLouisiana
Coordinates32.51412, -93.79731
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.2 US tons
Inventory rating13.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length302 ft (92 m)
Longest span50 ft (15.2 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,323 (1986)
Projected traffic6,955 by 2006
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Old Blanchard RD over Cross Bayou built?

It was built in 1987, making it 38 years old in 2025.

What condition is Old Blanchard RD over Cross Bayou in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does Old Blanchard RD over Cross Bayou carry?

About 6,323 vehicles per day (1986 count).

How long is Old Blanchard RD over Cross Bayou?

The structure is 302 ft (92 m) long with a longest span of 50 ft (15.2 m) and a deck 43 ft wide.

Who owns Old Blanchard RD over Cross Bayou?

It is owned by the City or Municipal Highway Agency.