US Bridges

Nelson RD TR-15 over E. Fk. Nettle CR

Poor

Grundy County, Illinois · .39 MI E.Saratoga RD · Structure no. 032379600000000

Built
1991
34 years old
Condition
Poor
inspected October 2024
Type
Channel Beam
Concrete
Length
62 ft
3 main spans
Daily traffic
200
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Nelson RD TR-15 over E. Fk. Nettle CR is a concrete channel beam carrying Nelson RD TR-15 over E. Fk. Nettle CR in Grundy County, Illinois. It was built in 1991, so it is 34 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 200 vehicles a day, roughly 24% of them trucks, projected to reach 240 by 2046. The structure is 62 ft (18.8 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNelson RD TR-15
CrossesE. Fk. Nettle CR
Location.39 MI E.Saratoga RD
RouteCounty Highway 0
CountyGrundy County
StateIllinois
Coordinates41.4146, -88.47316
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
Deck8 Very GoodNo problems noted.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
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 alignment8: Equal to present desirable criteria
Operating rating52.5 US tons
Inventory rating31.4 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length62 ft (18.8 m)
Longest span20 ft (6.1 m)
Deck width26 ft (8 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2024)
Projected traffic240 by 2046
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Nelson RD TR-15 over E. Fk. Nettle CR built?

It was built in 1991, making it 34 years old in 2025.

What condition is Nelson RD TR-15 over E. Fk. Nettle 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 October 2024.

How much traffic does Nelson RD TR-15 over E. Fk. Nettle CR carry?

About 200 vehicles per day (2024 count), of which roughly 24% are trucks.

How long is Nelson RD TR-15 over E. Fk. Nettle CR?

The structure is 62 ft (18.8 m) long with a longest span of 20 ft (6.1 m) and a deck 26 ft wide.

Who owns Nelson RD TR-15 over E. Fk. Nettle CR?

It is owned by the Town or Township Highway Agency.