US Bridges

TR 86 Saratoga RD over W Fork Nettle Creek

Poor

Grundy County, Illinois · 0.67 MI N Hoge RD · Structure no. 032364600000000

Built
1983
42 years old
Condition
Poor
inspected October 2024
Type
Channel Beam
Concrete
Length
138 ft
4 main spans
Daily traffic
250
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 86 Saratoga RD over W Fork Nettle Creek is a concrete channel beam carrying TR 86 Saratoga RD over W Fork Nettle Creek in Grundy County, Illinois. It was built in 1983, so it is 42 years old, younger 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 3 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.

It carries about 250 vehicles a day, roughly 14% of them trucks, projected to reach 330 by 2046. The structure is 138 ft (42.1 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesTR 86 Saratoga RD
CrossesW Fork Nettle Creek
Location0.67 MI N Hoge RD
RouteCounty Highway 0
Coordinates41.39475, -88.48014
Functional classRural Local

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
Deck7 GoodSome minor problems.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating52.5 US tons
Inventory rating31.4 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length138 ft (42.1 m)
Longest span34 ft (10.4 m)
Deck width26 ft (8 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2024)
Projected traffic330 by 2046
Trucks14%
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

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 TR 86 Saratoga RD over W Fork Nettle Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is TR 86 Saratoga RD over W Fork Nettle Creek 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 October 2024.

How much traffic does TR 86 Saratoga RD over W Fork Nettle Creek carry?

About 250 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is TR 86 Saratoga RD over W Fork Nettle Creek?

The structure is 138 ft (42.1 m) long with a longest span of 34 ft (10.4 m) and a deck 26 ft wide.

Who owns TR 86 Saratoga RD over W Fork Nettle Creek?

It is owned by the Town or Township Highway Agency.