US Bridges

US0165 over Bayou

Fair

Allen Parish, Louisiana · 8.4 MI N of US 190 · Structure no. 070200140312151

Built
1962
63 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete
Length
74 ft
3 main spans
Daily traffic
6,027
2023 count
Owner
State
State Highway Agency

About this bridge

US0165 over Bayou is a concrete slab carrying US0165 over Bayou in Allen Parish, Louisiana. It was built in 1962, so it is 63 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 6,027 vehicles a day, roughly 16% of them trucks, projected to reach 6,629 by 2043. The structure is 74 ft (22.6 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS0165
CrossesBayou
Location8.4 MI N of US 190
RouteU.S. Route 165
CountyAllen Parish
StateLouisiana
Coordinates30.59232, -92.78064
Functional classRural Principal Arterial - Other

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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 alignment8: Equal to present desirable criteria
Operating rating31.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length74 ft (22.6 m)
Longest span25 ft (7.6 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,027 (2023)
Projected traffic6,629 by 2043
Trucks16%
Lanes on structure2
Traffic directionTwo-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$385,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US0165 over Bayou built?

It was built in 1962, making it 63 years old in 2025.

What condition is US0165 over 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 July 2024.

How much traffic does US0165 over Bayou carry?

About 6,027 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is US0165 over Bayou?

The structure is 74 ft (22.6 m) long with a longest span of 25 ft (7.6 m) and a deck 33 ft wide.

Who owns US0165 over Bayou?

It is owned by the State Highway Agency.