US Bridges

Mlk Br Appr EB & W over Ramp to WB Mlk Br

Fair

St. Clair County, Illinois · 0.1 MI E 3rd ST Exit · Structure no. 082600600000000

Built
1961
64 years old, rebuilt 1993
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
57 ft
1 main span
Daily traffic
2,100
2024 count
Owner
State
State Highway Agency

About this bridge

Mlk Br Appr EB & W over Ramp to WB Mlk Br is a steel stringer/multi-beam or girder carrying Mlk Br Appr EB & W over Ramp to WB Mlk Br 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 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 2,100 vehicles a day, roughly 7% of them trucks, projected to reach 2,727 by 2046. The structure is 57 ft (17.4 m) long and 86 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesMlk Br Appr EB & W
CrossesRamp to WB Mlk Br
Location0.1 MI E 3rd ST Exit
CountySt. Clair County
StateIllinois
Coordinates38.62949, -90.15688
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating53.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span55 ft (16.7 m)
Deck width86 ft (26.1 m)
Roadway width82 ft (25.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,100 (2024)
Projected traffic2,727 by 2046
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
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 Mlk Br Appr EB & W over Ramp to WB Mlk Br built?

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

What condition is Mlk Br Appr EB & W over Ramp to WB Mlk Br 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 Mlk Br Appr EB & W over Ramp to WB Mlk Br carry?

About 2,100 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Mlk Br Appr EB & W over Ramp to WB Mlk Br?

The structure is 57 ft (17.4 m) long with a longest span of 55 ft (16.7 m) and a deck 86 ft wide.

Who owns Mlk Br Appr EB & W over Ramp to WB Mlk Br?

It is owned by the State Highway Agency.