US Bridges

Linwood Ave over I-20

Fair

Caddo Parish, Louisiana · .1 MI East of I-49 · Structure no. 040904510117661

Built
1993
32 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
176 ft
2 main spans
Daily traffic
31,800
2015 count
Owner
State
State Highway Agency

About this bridge

Linwood Ave over I-20 is a prestressed concrete stringer/multi-beam or girder carrying Linwood Ave over I-20 in Caddo Parish, Louisiana. It was built in 1993, so it is 32 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 31,800 vehicles a day, projected to reach 34,980 by 2035. The structure is 176 ft (53.6 m) long and 88 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLinwood Ave
CrossesI-20
Location.1 MI East of I-49
RouteCity Street 0
Coordinates32.49557, -93.7615
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating39 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length176 ft (53.6 m)
Longest span88 ft (26.8 m)
Deck width88 ft (26.8 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,800 (2015)
Projected traffic34,980 by 2035
Trucks—
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 Linwood Ave over I-20 built?

It was built in 1993, making it 32 years old in 2025.

What condition is Linwood Ave over I-20 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 2024.

How much traffic does Linwood Ave over I-20 carry?

About 31,800 vehicles per day (2015 count).

How long is Linwood Ave over I-20?

The structure is 176 ft (53.6 m) long with a longest span of 88 ft (26.8 m) and a deck 88 ft wide.

Who owns Linwood Ave over I-20?

It is owned by the State Highway Agency.