US Bridges

Linear Street over Cooper Road Ditch

Fair

Caddo Parish, Louisiana · 1.2 MI East of LA 173 · Structure no. 040932326934891

Built
1987
38 years old
Condition
Fair
inspected April 2023
Type
Channel Beam
Concrete
Length
69 ft
3 main spans
Daily traffic
600
1979 count
Owner
City
City or Municipal Highway Agency

About this bridge

Linear Street over Cooper Road Ditch is a concrete channel beam carrying Linear Street over Cooper Road Ditch in Caddo Parish, Louisiana. It was built in 1987, so it is 38 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 600 vehicles a day, projected to reach 660 by 1999. The structure is 69 ft (21 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLinear Street
CrossesCooper Road Ditch
Location1.2 MI East of LA 173
RouteCounty Highway 0
CountyCaddo Parish
StateLouisiana
Coordinates32.54429, -93.81584
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating47.8 US tons
Inventory rating34 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length69 ft (21 m)
Longest span31 ft (9.4 m)
Deck width35 ft (10.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (1979)
Projected traffic660 by 1999
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Linear Street over Cooper Road Ditch built?

It was built in 1987, making it 38 years old in 2025.

What condition is Linear Street over Cooper Road 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 Linear Street over Cooper Road Ditch carry?

About 600 vehicles per day (1979 count).

How long is Linear Street over Cooper Road Ditch?

The structure is 69 ft (21 m) long with a longest span of 31 ft (9.4 m) and a deck 35 ft wide.

Who owns Linear Street over Cooper Road Ditch?

It is owned by the City or Municipal Highway Agency.