US Bridges

I0020 over Spring St/Market/La 1

Fair

Caddo Parish, Louisiana · I-20 Ramp to LA 1 · Structure no. 040904510119158

Built
1965
60 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,173 ft
10 main spans
Daily traffic
87,567
2021 count
Owner
State
State Highway Agency

About this bridge

I0020 over Spring St/Market/La 1 is a steel continuous stringer/multi-beam or girder carrying I0020 over Spring St/Market/La 1 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 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 87,567 vehicles a day, roughly 19% of them trucks, projected to reach 96,323 by 2041. The structure is 1,173 ft (357.5 m) long and 28 ft wide.

Location

Open in Google Maps
CarriesI0020
CrossesSpring St/Market/La 1
LocationI-20 Ramp to LA 1
RouteInterstate 20
CountyCaddo Parish
StateLouisiana
Coordinates32.51092, -93.7424
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length1,173 ft (357.5 m)
Longest span84 ft (25.6 m)
Deck width28 ft (8.4 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deck16 ft (5 m)

Traffic and service

Average daily traffic87,567 (2021)
Projected traffic96,323 by 2041
Trucks19%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 Spring St/Market/La 1 built?

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

What condition is I0020 over Spring St/Market/La 1 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 February 2023.

How much traffic does I0020 over Spring St/Market/La 1 carry?

About 87,567 vehicles per day (2021 count), of which roughly 19% are trucks.

How long is I0020 over Spring St/Market/La 1?

The structure is 1,173 ft (357.5 m) long with a longest span of 84 ft (25.6 m) and a deck 28 ft wide.

Who owns I0020 over Spring St/Market/La 1?

It is owned by the State Highway Agency.