US Bridges

TR 87 over Trib Williams Creek

FairPosted for load

Schuyler County, Illinois · 1.40 MI S Il 101 · Structure no. 085421500000000

Built
1960
65 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
1 main span
Daily traffic
50
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 87 over Trib Williams Creek is a steel stringer/multi-beam or girder carrying TR 87 over Trib Williams Creek in Schuyler County, Illinois. It was built in 1960, so it is 65 years old, older 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, roughly 18% of them trucks, projected to reach 51 by 2046. The structure is 32 ft (9.8 m) long and 10 ft wide.

Location

Open in Google Maps
CarriesTR 87
CrossesTrib Williams Creek
Location1.40 MI S Il 101
RouteCounty Highway 0
CountySchuyler County
StateIllinois
Coordinates40.20793, -90.90762
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating10.7 US tons
Inventory rating8.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span32 ft (9.8 m)
Deck width10 ft (2.9 m)
Roadway width10 ft (2.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic51 by 2046
Trucks18%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 87 over Trib Williams Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is TR 87 over Trib Williams 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 November 2024.

How much traffic does TR 87 over Trib Williams Creek carry?

About 50 vehicles per day (2024 count), of which roughly 18% are trucks.

How long is TR 87 over Trib Williams Creek?

The structure is 32 ft (9.8 m) long with a longest span of 32 ft (9.8 m) and a deck 10 ft wide.

Who owns TR 87 over Trib Williams Creek?

It is owned by the Town or Township Highway Agency.