US Bridges

I0020 over I-20/KCS RR

Poor

Bossier Parish, Louisiana · 0.01 MI N of US 71 · Structure no. 040800100614867

Built
1966
59 years old
Condition
Poor
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
553 ft
9 main spans
Daily traffic
6,786
2021 count
Owner
State
State Highway Agency

About this bridge

I0020 over I-20/KCS RR is a steel continuous stringer/multi-beam or girder carrying I0020 over I-20/KCS RR in Bossier Parish, Louisiana. It was built in 1966, so it is 59 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 6,786 vehicles a day, roughly 8% of them trucks, projected to reach 7,464 by 2041. The structure is 553 ft (168.6 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI0020
CrossesI-20/KCS RR
Location0.01 MI N of US 71
RouteInterstate 20
CountyBossier Parish
StateLouisiana
Coordinates32.51345, -93.7149
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating27.1 US tons
Inventory rating21.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length553 ft (168.6 m)
Longest span75 ft (22.9 m)
Deck width28 ft (8.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deck20 ft (6 m)

Traffic and service

Average daily traffic6,786 (2021)
Projected traffic7,464 by 2041
Trucks8%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 I-20/KCS RR built?

It was built in 1966, making it 59 years old in 2025.

What condition is I0020 over I-20/KCS RR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2023.

How much traffic does I0020 over I-20/KCS RR carry?

About 6,786 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is I0020 over I-20/KCS RR?

The structure is 553 ft (168.6 m) long with a longest span of 75 ft (22.9 m) and a deck 28 ft wide.

Who owns I0020 over I-20/KCS RR?

It is owned by the State Highway Agency.