US Bridges

FAI 88 over Stream

Fair

Whiteside County, Illinois · 0.3 MI W Yorktown RD · Structure no. 098201900000000

Built
1975
50 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete Continuous
Length
28 ft
2 main spans
Daily traffic
12,600
2023 count
Owner
State
State Highway Agency

About this bridge

FAI 88 over Stream is a concrete continuous culvert carrying FAI 88 over Stream in Whiteside County, Illinois. It was built in 1975, so it is 50 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 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 12,600 vehicles a day, roughly 35% of them trucks, projected to reach 11,716 by 2046. The structure is 28 ft (8.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesFAI 88
CrossesStream
Location0.3 MI W Yorktown RD
RouteInterstate 88
CountyWhiteside County
StateIllinois
Coordinates41.74808, -89.86937
Functional classRural Principal Arterial - Interstate

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length28 ft (8.4 m)
Longest span13 ft (3.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,600 (2023)
Projected traffic11,716 by 2046
Trucks35%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 FAI 88 over Stream built?

It was built in 1975, making it 50 years old in 2025.

What condition is FAI 88 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 October 2023.

How much traffic does FAI 88 over Stream carry?

About 12,600 vehicles per day (2023 count), of which roughly 35% are trucks.

How long is FAI 88 over Stream?

The structure is 28 ft (8.4 m) long with a longest span of 13 ft (3.9 m).

Who owns FAI 88 over Stream?

It is owned by the State Highway Agency.