US Bridges

Il 47 FAP 326 over Saratoga Creek

Good

Grundy County, Illinois · 0.38 MI N/Nelson RD · Structure no. 032012200000000

Built
2016
9 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
103 ft
1 main span
Daily traffic
6,900
2023 count
Owner
State
State Highway Agency

About this bridge

Il 47 FAP 326 over Saratoga Creek is a prestressed concrete stringer/multi-beam or girder carrying Il 47 FAP 326 over Saratoga Creek in Grundy County, Illinois. It was built in 2016, so it is 9 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 6,900 vehicles a day, roughly 25% of them trucks, projected to reach 6,540 by 2046. The structure is 103 ft (31.4 m) long and 111 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIl 47 FAP 326
CrossesSaratoga Creek
Location0.38 MI N/Nelson RD
RouteState Highway 47
Coordinates41.42123, -88.42297
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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating57.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length103 ft (31.4 m)
Longest span99 ft (30.1 m)
Deck width111 ft (33.9 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,900 (2023)
Projected traffic6,540 by 2046
Trucks25%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Il 47 FAP 326 over Saratoga Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is Il 47 FAP 326 over Saratoga Creek 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 Il 47 FAP 326 over Saratoga Creek carry?

About 6,900 vehicles per day (2023 count), of which roughly 25% are trucks.

How long is Il 47 FAP 326 over Saratoga Creek?

The structure is 103 ft (31.4 m) long with a longest span of 99 ft (30.1 m) and a deck 111 ft wide.

Who owns Il 47 FAP 326 over Saratoga Creek?

It is owned by the State Highway Agency.