US Bridges

Ruby Lane/ FAU 932 over FAI 64

Good

St. Clair County, Illinois · 0.57 MI W of Ill 159 · Structure no. 082017500000000

Built
1970
55 years old, rebuilt 2003
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
247 ft
2 main spans
Daily traffic
4,350
2023 count
Owner
State
State Highway Agency

About this bridge

Ruby Lane/ FAU 932 over FAI 64 is a steel continuous stringer/multi-beam or girder carrying Ruby Lane/ FAU 932 over FAI 64 in St. Clair County, Illinois. It was built in 1970 and reconstructed in 2003, so it is 55 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,350 vehicles a day, roughly 4% of them trucks, projected to reach 4,747 by 2046. The structure is 247 ft (75.2 m) long and 46 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesRuby Lane/ FAU 932
CrossesFAI 64
Location0.57 MI W of Ill 159
CountySt. Clair County
StateIllinois
Coordinates38.59998, -89.99534
Functional classUrban Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating91.1 US tons
Inventory rating52.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length247 ft (75.2 m)
Longest span88 ft (26.8 m)
Deck width46 ft (14 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,350 (2023)
Projected traffic4,747 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 Ruby Lane/ FAU 932 over FAI 64 built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2003.

What condition is Ruby Lane/ FAU 932 over FAI 64 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 February 2023.

How much traffic does Ruby Lane/ FAU 932 over FAI 64 carry?

About 4,350 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Ruby Lane/ FAU 932 over FAI 64?

The structure is 247 ft (75.2 m) long with a longest span of 88 ft (26.8 m) and a deck 46 ft wide.

Who owns Ruby Lane/ FAU 932 over FAI 64?

It is owned by the State Highway Agency.