US Bridges

Mlk Bridge E Appr. over IL3 Trra(uprr) 1st Mo Av

Good

St. Clair County, Illinois · 0.75 E Mississippi River · Structure no. 082037400000000

Built
2018
7 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,286 ft
5 main spans
Daily traffic
3,250
2024 count
Owner
State
State Highway Agency

About this bridge

Mlk Bridge E Appr. over IL3 Trra(uprr) 1st Mo Av is a steel continuous stringer/multi-beam or girder carrying Mlk Bridge E Appr. over IL3 Trra(uprr) 1st Mo Av in St. Clair County, Illinois. It was built in 2018, so it is 7 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,250 vehicles a day, roughly 7% of them trucks, projected to reach 5,404 by 2046. The structure is 1,286 ft (391.9 m) long and 55 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesMlk Bridge E Appr.
CrossesIL3 Trra(uprr) 1st Mo Av
Location0.75 E Mississippi River
CountySt. Clair County
StateIllinois
Coordinates38.62933, -90.16314
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating42.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 25 or greater
Structure length1,286 ft (391.9 m)
Longest span282 ft (86.1 m)
Deck width55 ft (16.8 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,250 (2024)
Projected traffic5,404 by 2046
Trucks7%
Lanes on structure2
Traffic directionTwo-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 Mlk Bridge E Appr. over IL3 Trra(uprr) 1st Mo Av built?

It was built in 2018, making it 7 years old in 2025.

What condition is Mlk Bridge E Appr. over IL3 Trra(uprr) 1st Mo Av in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

How much traffic does Mlk Bridge E Appr. over IL3 Trra(uprr) 1st Mo Av carry?

About 3,250 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Mlk Bridge E Appr. over IL3 Trra(uprr) 1st Mo Av?

The structure is 1,286 ft (391.9 m) long with a longest span of 282 ft (86.1 m) and a deck 55 ft wide.

Who owns Mlk Bridge E Appr. over IL3 Trra(uprr) 1st Mo Av?

It is owned by the State Highway Agency.