US Bridges

3rd ST to EB I-55/ over Ramps To/From Mlk DR

Fair

St. Clair County, Illinois · E ST Louis · Structure no. 082001400000000

Built
1961
64 years old, rebuilt 1993
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
75 ft
1 main span
Daily traffic
2,050
2024 count
Owner
State
State Highway Agency

About this bridge

3rd ST to EB I-55/ over Ramps To/From Mlk DR is a steel stringer/multi-beam or girder carrying 3rd ST to EB I-55/ over Ramps To/From Mlk DR in St. Clair County, Illinois. It was built in 1961 and reconstructed in 1993, so it is 64 years old, older than the Illinois average of 45.3 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 2,050 vehicles a day, roughly 6% of them trucks, projected to reach 4,495 by 2046. The structure is 75 ft (23 m) long and 57 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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Carries3rd ST to EB I-55/
CrossesRamps To/From Mlk DR
LocationE ST Louis
CountySt. Clair County
StateIllinois
Coordinates38.62926, -90.15645
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
Deck7 GoodSome minor problems.
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 inspectionMay 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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.4 US tons
Inventory rating44.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length75 ft (23 m)
Longest span73 ft (22.4 m)
Deck width57 ft (17.5 m)
Roadway width54 ft (16.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,050 (2024)
Projected traffic4,495 by 2046
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 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 3rd ST to EB I-55/ over Ramps To/From Mlk DR built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1993.

What condition is 3rd ST to EB I-55/ over Ramps To/From Mlk DR 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 May 2023.

How much traffic does 3rd ST to EB I-55/ over Ramps To/From Mlk DR carry?

About 2,050 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is 3rd ST to EB I-55/ over Ramps To/From Mlk DR?

The structure is 75 ft (23 m) long with a longest span of 73 ft (22.4 m) and a deck 57 ft wide.

Who owns 3rd ST to EB I-55/ over Ramps To/From Mlk DR?

It is owned by the State Highway Agency.