US Bridges

I0020 over Drain

Good

Caddo Parish, Louisiana · 1.5 MI East of I-220 · Structure no. 040904510113421

Built
1965
60 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
23 ft
3 main spans
Daily traffic
98,318
2021 count
Owner
State
State Highway Agency

About this bridge

I0020 over Drain is a concrete culvert carrying I0020 over Drain in Caddo Parish, Louisiana. It was built in 1965, so it is 60 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 98,318 vehicles a day, roughly 19% of them trucks, projected to reach 108,149 by 2041. The structure is 23 ft (7 m) long and 78 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesI0020
CrossesDrain
Location1.5 MI East of I-220
RouteInterstate 20
Coordinates32.46405, -93.8203
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length23 ft (7 m)
Longest span8 ft (2.4 m)
Deck width78 ft (23.8 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic98,318 (2021)
Projected traffic108,149 by 2041
Trucks19%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$208,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I0020 over Drain built?

It was built in 1965, making it 60 years old in 2025.

What condition is I0020 over Drain in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does I0020 over Drain carry?

About 98,318 vehicles per day (2021 count), of which roughly 19% are trucks.

How long is I0020 over Drain?

The structure is 23 ft (7 m) long with a longest span of 8 ft (2.4 m) and a deck 78 ft wide.

Who owns I0020 over Drain?

It is owned by the State Highway Agency.