US Bridges

I0220 over St.Louis-S.W.R.R.

Fair

Bossier Parish, Louisiana · 2.51 MI East of LA 3049 · Structure no. 040804513102512

Built
1978
47 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
309 ft
4 main spans
Daily traffic
13,700
2021 count
Owner
State
State Highway Agency

About this bridge

I0220 over St.Louis-S.W.R.R. is a prestressed concrete stringer/multi-beam or girder carrying I0220 over St.Louis-S.W.R.R. in Bossier Parish, Louisiana. It was built in 1978, so it is 47 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 6 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 13,700 vehicles a day, roughly 19% of them trucks, projected to reach 15,070 by 2041. The structure is 309 ft (94.2 m) long and 55 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI0220
CrossesSt.Louis-S.W.R.R.
Location2.51 MI East of LA 3049
RouteInterstate 220
CountyBossier Parish
StateLouisiana
Coordinates32.55881, -93.7306
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82 US tons
Inventory rating41 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length309 ft (94.2 m)
Longest span85 ft (25.9 m)
Deck width55 ft (16.7 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,700 (2021)
Projected traffic15,070 by 2041
Trucks19%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 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 I0220 over St.Louis-S.W.R.R. built?

It was built in 1978, making it 47 years old in 2025.

What condition is I0220 over St.Louis-S.W.R.R. 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 November 2023.

How much traffic does I0220 over St.Louis-S.W.R.R. carry?

About 13,700 vehicles per day (2021 count), of which roughly 19% are trucks.

How long is I0220 over St.Louis-S.W.R.R.?

The structure is 309 ft (94.2 m) long with a longest span of 85 ft (25.9 m) and a deck 55 ft wide.

Who owns I0220 over St.Louis-S.W.R.R.?

It is owned by the State Highway Agency.