US Bridges

Hawthorne Drive over Brookwood Ditch

Fair

Caddo Parish, Louisiana · 0.1 MI E of US 171 · Structure no. 040932247934761

Built
1974
51 years old
Condition
Fair
inspected March 2023
Type
Culvert
Steel
Length
44 ft
3 main spans
Daily traffic
600
1980 count
Owner
City
City or Municipal Highway Agency

About this bridge

Hawthorne Drive over Brookwood Ditch is a steel culvert carrying Hawthorne Drive over Brookwood Ditch in Caddo Parish, Louisiana. It was built in 1974, so it is 51 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 600 vehicles a day, projected to reach 660 by 2000. The structure is 44 ft (13.4 m) long and 49 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesHawthorne Drive
CrossesBrookwood Ditch
Location0.1 MI E of US 171
RouteCounty Highway 0
CountyCaddo Parish
StateLouisiana
Coordinates32.41144, -93.79223
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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating107.1 US tons
Inventory rating82.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span14 ft (4.3 m)
Deck width49 ft (14.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (1980)
Projected traffic660 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$180,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Hawthorne Drive over Brookwood Ditch built?

It was built in 1974, making it 51 years old in 2025.

What condition is Hawthorne Drive over Brookwood 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 March 2023.

How much traffic does Hawthorne Drive over Brookwood Ditch carry?

About 600 vehicles per day (1980 count).

How long is Hawthorne Drive over Brookwood Ditch?

The structure is 44 ft (13.4 m) long with a longest span of 14 ft (4.3 m) and a deck 49 ft wide.

Who owns Hawthorne Drive over Brookwood Ditch?

It is owned by the City or Municipal Highway Agency.