US Bridges

US0165 over Rocky Bayou

Fair

Rapides Parish, Louisiana · 1.61 Mi. N of Int US71 · Structure no. 084000153001612

Built
1997
28 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete
Length
180 ft
9 main spans
Daily traffic
20,902
2021 count
Owner
State
State Highway Agency

About this bridge

US0165 over Rocky Bayou is a concrete slab carrying US0165 over Rocky Bayou in Rapides Parish, Louisiana. It was built in 1997, so it is 28 years old, younger 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 6 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 20,902 vehicles a day, roughly 14% of them trucks, projected to reach 22,992 by 2041. The structure is 180 ft (54.9 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS0165
CrossesRocky Bayou
Location1.61 Mi. N of Int US71
RouteU.S. Route 165
Coordinates31.34724, -92.4286
Functional classUrban Other Principal Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating79 US tons
Inventory rating47 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length180 ft (54.9 m)
Longest span20 ft (6.1 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,902 (2021)
Projected traffic22,992 by 2041
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US0165 over Rocky Bayou built?

It was built in 1997, making it 28 years old in 2025.

What condition is US0165 over Rocky 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 August 2024.

How much traffic does US0165 over Rocky Bayou carry?

About 20,902 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is US0165 over Rocky Bayou?

The structure is 180 ft (54.9 m) long with a longest span of 20 ft (6.1 m) and a deck 43 ft wide.

Who owns US0165 over Rocky Bayou?

It is owned by the State Highway Agency.