US Bridges

I0020 over L & a RR

Fair

Webster Parish, Louisiana · 0.12M East of LA 159 · Structure no. 046004510309145

Built
1960
65 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
282 ft
6 main spans
Daily traffic
15,642
2021 count
Owner
State
State Highway Agency

About this bridge

I0020 over L & a RR is a steel stringer/multi-beam or girder carrying I0020 over L & a RR in Webster Parish, Louisiana. It was built in 1960, so it is 65 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 15,642 vehicles a day, roughly 19% of them trucks, projected to reach 17,206 by 2041. The structure is 282 ft (86 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesI0020
CrossesL & a RR
Location0.12M East of LA 159
RouteInterstate 20
CountyWebster Parish
StateLouisiana
Coordinates32.58902, -93.2919
Functional classUrban 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.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length282 ft (86 m)
Longest span55 ft (16.8 m)
Deck width27 ft (8.3 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,642 (2021)
Projected traffic17,206 by 2041
Trucks19%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed6.2 mi (10 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I0020 over L & a RR built?

It was built in 1960, making it 65 years old in 2025.

What condition is I0020 over L & a RR 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 September 2024.

How much traffic does I0020 over L & a RR carry?

About 15,642 vehicles per day (2021 count), of which roughly 19% are trucks.

How long is I0020 over L & a RR?

The structure is 282 ft (86 m) long with a longest span of 55 ft (16.8 m) and a deck 27 ft wide.

Who owns I0020 over L & a RR?

It is owned by the State Highway Agency.