US Bridges

FAU-366 (farrell R over Spring CR

PoorPosted for load

Will County, Illinois · 0.2 MI N of US56 · Structure no. 099430000000000

Built
1976
49 years old
Condition
Poor
inspected February 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
51 ft
1 main span
Daily traffic
4,750
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU-366 (farrell R over Spring CR is a prestressed concrete box beam or girders - multiple carrying FAU-366 (farrell R over Spring CR in Will County, Illinois. It was built in 1976, so it is 49 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 2 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 4,750 vehicles a day, roughly 4% of them trucks, projected to reach 6,336 by 2046. The structure is 51 ft (15.5 m) long and 36 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesFAU-366 (farrell R
CrossesSpring CR
Location0.2 MI N of US56
Coordinates41.54941, -88.02479
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Superstructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.8 US tons
Inventory rating28.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length51 ft (15.5 m)
Longest span49 ft (14.9 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,750 (2023)
Projected traffic6,336 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU-366 (farrell R over Spring CR built?

It was built in 1976, making it 49 years old in 2025.

What condition is FAU-366 (farrell R over Spring CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2025.

How much traffic does FAU-366 (farrell R over Spring CR carry?

About 4,750 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is FAU-366 (farrell R over Spring CR?

The structure is 51 ft (15.5 m) long with a longest span of 49 ft (14.9 m) and a deck 36 ft wide.

Who owns FAU-366 (farrell R over Spring CR?

It is owned by the City or Municipal Highway Agency.