US Bridges

Black RD over Stream

Fair

Whiteside County, Illinois · 1 MI E of Fenton · Structure no. 098200500000000

Built
1920
105 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
725
2021 count
Owner
County
County Highway Agency

About this bridge

Black RD over Stream is a concrete culvert carrying Black RD over Stream in Whiteside County, Illinois. It was built in 1920, so it is 105 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.

It carries about 725 vehicles a day, roughly 23% of them trucks, projected to reach 732 by 2046. The structure is 27 ft (8.1 m) long. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesBlack RD
CrossesStream
Location1 MI E of Fenton
RouteCounty Highway 0
CountyWhiteside County
StateIllinois
Coordinates41.72854, -90.01187
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
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
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.6 US tons
Inventory rating47.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length27 ft (8.1 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic725 (2021)
Projected traffic732 by 2046
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Black RD over Stream built?

It was built in 1920, making it 105 years old in 2025.

What condition is Black RD over 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 April 2024.

How much traffic does Black RD over Stream carry?

About 725 vehicles per day (2021 count), of which roughly 23% are trucks.

How long is Black RD over Stream?

The structure is 27 ft (8.1 m) long with a longest span of 13 ft (4 m).

Who owns Black RD over Stream?

It is owned by the County Highway Agency.