US Bridges

Courtesy Lane over Courtesy Lane Ditch

Fair

Caddo Parish, Louisiana · 0.1 MI E of US 171 · Structure no. 040932272934661

Built
2005
20 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete
Length
25 ft
1 main span
Daily traffic
1,500
2005 count
Owner
City
City or Municipal Highway Agency

About this bridge

Courtesy Lane over Courtesy Lane Ditch is a concrete slab carrying Courtesy Lane over Courtesy Lane Ditch in Caddo Parish, Louisiana. It was built in 2005, so it is 20 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 1,500 vehicles a day, projected to reach 1,650 by 2025. The structure is 25 ft (7.6 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCourtesy Lane
CrossesCourtesy Lane Ditch
Location0.1 MI E of US 171
RouteCounty Highway 0
Coordinates32.45264, -93.77721
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating46.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span25 ft (7.6 m)
Deck width40 ft (12.2 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2005)
Projected traffic1,650 by 2025
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Courtesy Lane over Courtesy Lane Ditch built?

It was built in 2005, making it 20 years old in 2025.

What condition is Courtesy Lane over Courtesy Lane 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 Courtesy Lane over Courtesy Lane Ditch carry?

About 1,500 vehicles per day (2005 count).

How long is Courtesy Lane over Courtesy Lane Ditch?

The structure is 25 ft (7.6 m) long with a longest span of 25 ft (7.6 m) and a deck 40 ft wide.

Who owns Courtesy Lane over Courtesy Lane Ditch?

It is owned by the City or Municipal Highway Agency.