US Bridges

Westminster DR over I-57

Good

Williamson County, Illinois · 0.25 MI E Wcl Marion · Structure no. 100010400000000

Built
2023
2 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
200 ft
2 main spans
Daily traffic
2,250
2021 count
Owner
State
State Highway Agency

About this bridge

Westminster DR over I-57 is a steel continuous stringer/multi-beam or girder carrying Westminster DR over I-57 in Williamson County, Illinois. It was built in 2023, so it is 2 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,250 vehicles a day, roughly 3% of them trucks, projected to reach 2,273 by 2046. The structure is 200 ft (61.1 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesWestminster DR
CrossesI-57
Location0.25 MI E Wcl Marion
RouteCity Street 0
CountyWilliamson County
StateIllinois
Coordinates37.71872, -88.95868
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation9: Superior to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.9 US tons
Inventory rating69.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length200 ft (61.1 m)
Longest span98 ft (30 m)
Deck width44 ft (13.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,250 (2021)
Projected traffic2,273 by 2046
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 Westminster DR over I-57 built?

It was built in 2023, making it 2 years old in 2025.

What condition is Westminster DR over I-57 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 January 2024.

How much traffic does Westminster DR over I-57 carry?

About 2,250 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Westminster DR over I-57?

The structure is 200 ft (61.1 m) long with a longest span of 98 ft (30 m) and a deck 44 ft wide.

Who owns Westminster DR over I-57?

It is owned by the State Highway Agency.