US Bridges

Rollins RD over Cypress Bayou

Fair

East Baton Rouge Parish, Louisiana · 2.2 MI NW JCT LA 64 · Structure no. 611730402911061

Built
1969
56 years old
Condition
Fair
inspected December 2023
Type
Slab
Concrete
Length
57 ft
3 main spans
Daily traffic
5,210
2023 count
Owner
County
County Highway Agency

About this bridge

Rollins RD over Cypress Bayou is a concrete slab carrying Rollins RD over Cypress Bayou in East Baton Rouge Parish, Louisiana. It was built in 1969, so it is 56 years old, older 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.

It carries about 5,210 vehicles a day, projected to reach 5,731 by 2043. The structure is 57 ft (17.4 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRollins RD
CrossesCypress Bayou
Location2.2 MI NW JCT LA 64
RouteCounty Highway 0
Coordinates30.67072, -91.17629
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating28.9 US tons
Inventory rating22.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width27 ft (8.3 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,210 (2023)
Projected traffic5,731 by 2043
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Rollins RD over Cypress Bayou built?

It was built in 1969, making it 56 years old in 2025.

What condition is Rollins RD over Cypress 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 December 2023.

How much traffic does Rollins RD over Cypress Bayou carry?

About 5,210 vehicles per day (2023 count).

How long is Rollins RD over Cypress Bayou?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.

Who owns Rollins RD over Cypress Bayou?

It is owned by the County Highway Agency.