US Bridges

Penn Blvd over Henderson Bayou

Good

Ascension Parish, Louisiana · 0.1 M N of LA933 · Structure no. 610330189905481

Built
1992
33 years old
Condition
Good
inspected February 2023
Type
Slab
Concrete
Length
38 ft
2 main spans
Daily traffic
60
2023 count
Owner
County
County Highway Agency

About this bridge

Penn Blvd over Henderson Bayou is a concrete slab carrying Penn Blvd over Henderson Bayou in Ascension Parish, Louisiana. It was built in 1992, so it is 33 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 60 vehicles a day, projected to reach 66 by 2043. The structure is 38 ft (11.6 m) long and 27 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesPenn Blvd
CrossesHenderson Bayou
Location0.1 M N of LA933
RouteCounty Highway 0
CountyAscension Parish
StateLouisiana
Coordinates30.31545, -90.91437
Functional classRural 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 inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.4 US tons
Inventory rating32.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span19 ft (5.8 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2023)
Projected traffic66 by 2043
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 Penn Blvd over Henderson Bayou built?

It was built in 1992, making it 33 years old in 2025.

What condition is Penn Blvd over Henderson 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 February 2023.

How much traffic does Penn Blvd over Henderson Bayou carry?

About 60 vehicles per day (2023 count).

How long is Penn Blvd over Henderson Bayou?

The structure is 38 ft (11.6 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.

Who owns Penn Blvd over Henderson Bayou?

It is owned by the County Highway Agency.