US Bridges

FAS 1204 Ill 92 over I-88

Fair

Rock Island County, Illinois · 8.0 Mi. E. Silvis · Structure no. 081012500000000

Built
1975
50 years old, rebuilt 2022
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
357 ft
2 main spans
Daily traffic
3,050
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 1204 Ill 92 over I-88 is a steel continuous stringer/multi-beam or girder carrying FAS 1204 Ill 92 over I-88 in Rock Island County, Illinois. It was built in 1975 and reconstructed in 2022, 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 3,050 vehicles a day, roughly 13% of them trucks, projected to reach 3,081 by 2046. The structure is 357 ft (108.7 m) long and 68 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesFAS 1204 Ill 92
CrossesI-88
Location8.0 Mi. E. Silvis
RouteCounty Highway 0
CountyRock Island County
StateIllinois
Coordinates41.5568, -90.24331
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.7 US tons
Inventory rating41.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length357 ft (108.7 m)
Longest span138 ft (42.1 m)
Deck width68 ft (20.7 m)
Roadway width49 ft (14.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,050 (2021)
Projected traffic3,081 by 2046
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed6.8 mi (11 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAS 1204 Ill 92 over I-88 built?

It was built in 1975, making it 50 years old in 2025. It was reconstructed in 2022.

What condition is FAS 1204 Ill 92 over I-88 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 January 2024.

How much traffic does FAS 1204 Ill 92 over I-88 carry?

About 3,050 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is FAS 1204 Ill 92 over I-88?

The structure is 357 ft (108.7 m) long with a longest span of 138 ft (42.1 m) and a deck 68 ft wide.

Who owns FAS 1204 Ill 92 over I-88?

It is owned by the State Highway Agency.