US Bridges

Wilton Rd. (128th over S.Br.Forked Creek

Fair

Will County, Illinois · 3.7 MI So US 52 · Structure no. 099486000000000

Built
1990
35 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
54 ft
1 main span
Daily traffic
50
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Wilton Rd. (128th over S.Br.Forked Creek is a prestressed concrete box beam or girders - multiple carrying Wilton Rd. (128th over S.Br.Forked Creek in Will County, Illinois. It was built in 1990, so it is 35 years old, younger 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.

It carries about 50 vehicles a day, roughly 2% of them trucks, projected to reach 72 by 2046. The structure is 54 ft (16.5 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesWilton Rd. (128th
CrossesS.Br.Forked Creek
Location3.7 MI So US 52
RouteCounty Highway 0
CountyWill County
StateIllinois
Coordinates41.29932, -87.91973
Functional classRural 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length54 ft (16.5 m)
Longest span52 ft (16 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2019)
Projected traffic72 by 2046
Trucks2%
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 Wilton Rd. (128th over S.Br.Forked Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is Wilton Rd. (128th over S.Br.Forked Creek 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 April 2023.

How much traffic does Wilton Rd. (128th over S.Br.Forked Creek carry?

About 50 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is Wilton Rd. (128th over S.Br.Forked Creek?

The structure is 54 ft (16.5 m) long with a longest span of 52 ft (16 m) and a deck 30 ft wide.

Who owns Wilton Rd. (128th over S.Br.Forked Creek?

It is owned by the Town or Township Highway Agency.