US Bridges

Il 92 FAP 587 over Unnamed Stream

Fair

Bureau County, Illinois · 1 Mi. E. of Walnut · Structure no. 006016000000000

Built
1994
31 years old
Condition
Fair
inspected December 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
78 ft
1 main span
Daily traffic
1,300
2023 count
Owner
State
State Highway Agency

About this bridge

Il 92 FAP 587 over Unnamed Stream is a prestressed concrete stringer/multi-beam or girder carrying Il 92 FAP 587 over Unnamed Stream in Bureau County, Illinois. It was built in 1994, so it is 31 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 6 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 1,300 vehicles a day, roughly 18% of them trucks, projected to reach 1,364 by 2046. The structure is 78 ft (23.9 m) long and 35 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

Location

Open in Google Maps
CarriesIl 92 FAP 587
CrossesUnnamed Stream
Location1 Mi. E. of Walnut
RouteState Highway 92
CountyBureau County
StateIllinois
Coordinates41.55736, -89.55966
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 rating68.6 US tons
Inventory rating41.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length78 ft (23.9 m)
Longest span70 ft (21.3 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2023)
Projected traffic1,364 by 2046
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Il 92 FAP 587 over Unnamed Stream built?

It was built in 1994, making it 31 years old in 2025.

What condition is Il 92 FAP 587 over Unnamed Stream 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 December 2021.

How much traffic does Il 92 FAP 587 over Unnamed Stream carry?

About 1,300 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is Il 92 FAP 587 over Unnamed Stream?

The structure is 78 ft (23.9 m) long with a longest span of 70 ft (21.3 m) and a deck 35 ft wide.

Who owns Il 92 FAP 587 over Unnamed Stream?

It is owned by the State Highway Agency.