US Bridges

W 80th ST over 81st Street Ditch

Fair

Caddo Parish, Louisiana · 3.2 MI E of US 171 · Structure no. 040932259934571

Built
1960
65 years old, rebuilt 1977
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
200
1980 count
Owner
City
City or Municipal Highway Agency

About this bridge

W 80th ST over 81st Street Ditch is a concrete culvert carrying W 80th ST over 81st Street Ditch in Caddo Parish, Louisiana. It was built in 1960 and reconstructed in 1977, so it is 65 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 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 200 vehicles a day, projected to reach 220 by 2000. The structure is 28 ft (8.5 m) long and 19 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesW 80th ST
Crosses81st Street Ditch
Location3.2 MI E of US 171
RouteCounty Highway 0
Coordinates32.43164, -93.76178
Functional classUrban Local

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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating35.7 US tons
Inventory rating27.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span9 ft (2.7 m)
Deck width19 ft (5.8 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (1980)
Projected traffic220 by 2000
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$130,000
NavigationNo navigation control on waterway

Frequently asked questions

When was W 80th ST over 81st Street Ditch built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1977.

What condition is W 80th ST over 81st Street Ditch 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 April 2023.

How much traffic does W 80th ST over 81st Street Ditch carry?

About 200 vehicles per day (1980 count).

How long is W 80th ST over 81st Street Ditch?

The structure is 28 ft (8.5 m) long with a longest span of 9 ft (2.7 m) and a deck 19 ft wide.

Who owns W 80th ST over 81st Street Ditch?

It is owned by the City or Municipal Highway Agency.