US Bridges

US0165 over Bayou

Fair

Allen Parish, Louisiana · 3.3 MI North of US 190 · Structure no. 070200000070195

Built
2008
17 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
11,196
2022 count
Owner
State
State Highway Agency

About this bridge

US0165 over Bayou is a concrete culvert carrying US0165 over Bayou in Allen Parish, Louisiana. It was built in 2008, so it is 17 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 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 11,196 vehicles a day, roughly 16% of them trucks, projected to reach 12,315 by 2042. The structure is 23 ft (7 m) long and 165 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesUS0165
CrossesBayou
Location3.3 MI North of US 190
RouteU.S. Route 165
CountyAllen Parish
StateLouisiana
Coordinates30.52737, -92.82281
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
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width165 ft (50.3 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,196 (2022)
Projected traffic12,315 by 2042
Trucks16%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 Bayou built?

It was built in 2008, making it 17 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 March 2023.

How much traffic does US0165 over Bayou carry?

About 11,196 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is US0165 over Bayou?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m) and a deck 165 ft wide.

Who owns US0165 over Bayou?

It is owned by the State Highway Agency.