I0020 over Cross Bayou

Fair

Caddo Parish, Louisiana · 3.04 MI West of LA 169 · Structure no. 040904510100682

Built: 1964; 61 years old
Condition: Fair; inspected March 2024
Type: Slab; Concrete
Length: 140 ft; 7 main spans
Daily traffic: 98,318; 2021 count
Owner: State; State Highway Agency

About this bridge

I0020 over Cross Bayou is a concrete slab carrying I0020 over Cross Bayou in Caddo Parish, Louisiana. It was built in 1964, so it is 61 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 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 98,318 vehicles a day, roughly 36% of them trucks, projected to reach 108,149 by 2041. The structure is 140 ft (42.7 m) long and 46 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

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CarriesI0020

CrossesCross Bayou

Location3.04 MI West of LA 169

RouteInterstate 20

CountyCaddo Parish

StateLouisiana

Coordinates32.45614, -94.0323

Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

Component	Rating	Meaning
Deck	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection	6 Satisfactory	Structural elements show some minor deterioration.

Last inspectionMarch 2024

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour within limits of footing or piles

Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is

Deck geometry7: Better than present minimum criteria

Waterway adequacy8: Equal to present desirable criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating68 US tons

Inventory rating41 US tons

Structure

Structure typeSlab

MaterialConcrete

DeckConcrete, cast-in-place

Main spans7

Design loadHS 20

Structure length140 ft (42.7 m)

Longest span20 ft (6.1 m)

Deck width46 ft (13.9 m)

Roadway width40 ft (12.3 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic98,318 (2021)

Projected traffic108,149 by 2041

Trucks36%

Lanes on structure2

Traffic directionOne-way traffic

CarriesHighway

CrossesWaterway

Detour if closed19.9 mi (32 km)

TollOn a free road

National Highway SystemYes

Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency

Maintained byState 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 I0020 over Cross Bayou built?

It was built in 1964, making it 61 years old in 2025.

What condition is I0020 over Cross Bayou 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 I0020 over Cross Bayou carry?

About 98,318 vehicles per day (2021 count), of which roughly 36% are trucks.

How long is I0020 over Cross Bayou?

The structure is 140 ft (42.7 m) long with a longest span of 20 ft (6.1 m) and a deck 46 ft wide.

Who owns I0020 over Cross Bayou?

It is owned by the State Highway Agency.