US Bridges

US0165 over Flagon Bayou

Fair

Rapides Parish, Louisiana · 0.61 Mi. North of LA 623 · Structure no. 084000150202261

Built
1956
69 years old, rebuilt 1984
Condition
Fair
inspected June 2024
Type
Slab
Concrete
Length
140 ft
7 main spans
Daily traffic
32,758
2021 count
Owner
State
State Highway Agency

About this bridge

US0165 over Flagon Bayou is a concrete slab carrying US0165 over Flagon Bayou in Rapides Parish, Louisiana. It was built in 1956 and reconstructed in 1984, so it is 69 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 32,758 vehicles a day, roughly 14% of them trucks, projected to reach 36,033 by 2041. The structure is 140 ft (42.7 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS0165
CrossesFlagon Bayou
Location0.61 Mi. North of LA 623
RouteU.S. Route 165
CountyRapides Parish
StateLouisiana
Coordinates31.39773, -92.4098
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37 US tons
Inventory rating22 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length140 ft (42.7 m)
Longest span20 ft (6.1 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,758 (2021)
Projected traffic36,033 by 2041
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 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 US0165 over Flagon Bayou built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1984.

What condition is US0165 over Flagon 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 June 2024.

How much traffic does US0165 over Flagon Bayou carry?

About 32,758 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is US0165 over Flagon Bayou?

The structure is 140 ft (42.7 m) long with a longest span of 20 ft (6.1 m) and a deck 43 ft wide.

Who owns US0165 over Flagon Bayou?

It is owned by the State Highway Agency.