US Bridges

Wilson ST over Cypress Bayou

Good

East Baton Rouge Parish, Louisiana · Baker Wilson Street · Structure no. 611730356911031

Built
2001
24 years old
Condition
Good
inspected November 2023
Type
Slab
Concrete
Length
114 ft
6 main spans
Daily traffic
2,047
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Wilson ST over Cypress Bayou is a concrete slab carrying Wilson ST over Cypress Bayou in East Baton Rouge Parish, Louisiana. It was built in 2001, so it is 24 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 2,047 vehicles a day, projected to reach 2,251 by 2039. The structure is 114 ft (34.7 m) long and 23 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesWilson ST
CrossesCypress Bayou
LocationBaker Wilson Street
RouteCounty Highway 0
CountyEast Baton Rouge Parish
StateLouisiana
Coordinates30.59184, -91.17153
Functional classRural Minor Arterial

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 protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans6
Design loadHS 20
Structure length114 ft (34.7 m)
Longest span19 ft (5.8 m)
Deck width23 ft (7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,047 (2019)
Projected traffic2,251 by 2039
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$390,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Wilson ST over Cypress Bayou built?

It was built in 2001, making it 24 years old in 2025.

What condition is Wilson ST over Cypress 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 November 2023.

How much traffic does Wilson ST over Cypress Bayou carry?

About 2,047 vehicles per day (2019 count).

How long is Wilson ST over Cypress Bayou?

The structure is 114 ft (34.7 m) long with a longest span of 19 ft (5.8 m) and a deck 23 ft wide.

Who owns Wilson ST over Cypress Bayou?

It is owned by the City or Municipal Highway Agency.