US Bridges

TR 106 Ashton RD over E Fk Nettle Creek

Poor

Grundy County, Illinois · 0.08 MI S Nelson RD · Structure no. 032381100000000

Built
1986
39 years old
Condition
Poor
inspected October 2024
Type
Channel Beam
Concrete
Length
70 ft
2 main spans
Daily traffic
250
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 106 Ashton RD over E Fk Nettle Creek is a concrete channel beam carrying TR 106 Ashton RD over E Fk Nettle Creek in Grundy County, Illinois. It was built in 1986, so it is 39 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 4 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 24% of them trucks, projected to reach 270 by 2046. The structure is 70 ft (21.3 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesTR 106 Ashton RD
CrossesE Fk Nettle Creek
Location0.08 MI S Nelson RD
RouteCounty Highway 0
Coordinates41.41369, -88.46163
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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
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 above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length70 ft (21.3 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 traffic270 by 2046
Trucks24%
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 106 Ashton RD over E Fk Nettle Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is TR 106 Ashton RD over E Fk 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 106 Ashton RD over E Fk Nettle Creek carry?

About 250 vehicles per day (2024 count), of which roughly 24% are trucks.

How long is TR 106 Ashton RD over E Fk Nettle Creek?

The structure is 70 ft (21.3 m) long with a longest span of 34 ft (10.4 m) and a deck 26 ft wide.

Who owns TR 106 Ashton RD over E Fk Nettle Creek?

It is owned by the Town or Township Highway Agency.