US Bridges

US0165 over US 71 Rocky Bayou

Fair

Rapides Parish, Louisiana · 1.87 MI South Jct. US 167 · Structure no. 084000153001871

Built
1999
26 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
1,370 ft
2 main spans
Daily traffic
20,902
2021 count
Owner
State
State Highway Agency

About this bridge

US0165 over US 71 Rocky Bayou is a steel stringer/multi-beam or girder carrying US0165 over US 71 Rocky Bayou in Rapides Parish, Louisiana. It was built in 1999, so it is 26 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 1,370 ft (417.6 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS0165
CrossesUS 71 Rocky Bayou
Location1.87 MI South Jct. US 167
RouteU.S. Route 165
Coordinates31.34495, -92.4311
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
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 alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating37 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2 (+25 approach)
Design loadHS 20
Structure length1,370 ft (417.6 m)
Longest span165 ft (50.3 m)
Deck width43 ft (13 m)
Roadway width39 ft (12 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
CrossesHighway and waterway
Detour if closed1.2 mi (2 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 US 71 Rocky Bayou built?

It was built in 1999, making it 26 years old in 2025.

What condition is US0165 over US 71 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 May 2023.

How much traffic does US0165 over US 71 Rocky Bayou carry?

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

How long is US0165 over US 71 Rocky Bayou?

The structure is 1,370 ft (417.6 m) long with a longest span of 165 ft (50.3 m) and a deck 43 ft wide.

Who owns US0165 over US 71 Rocky Bayou?

It is owned by the State Highway Agency.