US Bridges

Saratoga RD / TR 8 over FAI 80

FairPosted for load

Grundy County, Illinois · 3.19 MI W of Ill 47 · Structure no. 032005500000000

Built
1958
67 years old
Condition
Fair
inspected November 2024
Type
Tee Beam
Concrete Continuous
Length
190 ft
4 main spans
Daily traffic
500
2024 count
Owner
State
State Highway Agency

About this bridge

Saratoga RD / TR 8 over FAI 80 is a concrete continuous tee beam carrying Saratoga RD / TR 8 over FAI 80 in Grundy County, Illinois. It was built in 1958, so it is 67 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 500 vehicles a day, roughly 13% of them trucks, projected to reach 600 by 2046. The structure is 190 ft (57.9 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSaratoga RD / TR 8
CrossesFAI 80
Location3.19 MI W of Ill 47
RouteCounty Highway 0
Coordinates41.37803, -88.47961
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating45 US tons
Inventory rating27.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length190 ft (57.9 m)
Longest span56 ft (17 m)
Deck width30 ft (9.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2024)
Projected traffic600 by 2046
Trucks13%
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 Saratoga RD / TR 8 over FAI 80 built?

It was built in 1958, making it 67 years old in 2025.

What condition is Saratoga RD / TR 8 over FAI 80 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 November 2024.

How much traffic does Saratoga RD / TR 8 over FAI 80 carry?

About 500 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is Saratoga RD / TR 8 over FAI 80?

The structure is 190 ft (57.9 m) long with a longest span of 56 ft (17 m) and a deck 30 ft wide.

Who owns Saratoga RD / TR 8 over FAI 80?

It is owned by the State Highway Agency.