US Bridges

Church St. over Cypress Bayou

Good

East Baton Rouge Parish, Louisiana · 1.2 M W of LA 19 · Structure no. 611702530204751

Built
1976
49 years old
Condition
Good
inspected September 2024
Type
Slab
Concrete
Length
100 ft
5 main spans
Daily traffic
17,411
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Church St. over Cypress Bayou is a concrete slab carrying Church St. over Cypress Bayou in East Baton Rouge Parish, Louisiana. It was built in 1976, so it is 49 years old, older 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 17,411 vehicles a day, roughly 7% of them trucks, projected to reach 19,152 by 2043. The structure is 100 ft (30.5 m) long and 94 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesChurch St.
CrossesCypress Bayou
Location1.2 M W of LA 19
RouteCounty Highway 0
Coordinates30.65168, -91.1693
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79 US tons
Inventory rating47 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span20 ft (6.1 m)
Deck width94 ft (28.8 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,411 (2023)
Projected traffic19,152 by 2043
Trucks7%
Lanes on structure4
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 Church St. over Cypress Bayou built?

It was built in 1976, making it 49 years old in 2025.

What condition is Church 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 September 2024.

How much traffic does Church St. over Cypress Bayou carry?

About 17,411 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Church St. over Cypress Bayou?

The structure is 100 ft (30.5 m) long with a longest span of 20 ft (6.1 m) and a deck 94 ft wide.

Who owns Church St. over Cypress Bayou?

It is owned by the City or Municipal Highway Agency.