US Bridges

Ill 92 Sb(cent Frw over Rock River-Hen Canal

Fair

Rock Island County, Illinois · .5 MI S 31st ST R.I. · Structure no. 081006700000000

Built
1963
62 years old, rebuilt 2002
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
944 ft
8 main spans
Daily traffic
13,100
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 92 Sb(cent Frw over Rock River-Hen Canal is a steel stringer/multi-beam or girder carrying Ill 92 Sb(cent Frw over Rock River-Hen Canal in Rock Island County, Illinois. It was built in 1963 and reconstructed in 2002, so it is 62 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 13,100 vehicles a day, roughly 13% of them trucks, projected to reach 5,404 by 2046. The structure is 944 ft (287.7 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIll 92 Sb(cent Frw
CrossesRock River-Hen Canal
Location.5 MI S 31st ST R.I.
RouteState Highway 92
Coordinates41.47905, -90.6049
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating76.8 US tons
Inventory rating46.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans8 (+2 approach)
Design loadHS 20 + Mod
Structure length944 ft (287.7 m)
Longest span112 ft (34.1 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,100 (2023)
Projected traffic5,404 by 2046
Trucks13%
Lanes on structure2
Traffic directionOne-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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$3.9 million
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Ill 92 Sb(cent Frw over Rock River-Hen Canal built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2002.

What condition is Ill 92 Sb(cent Frw over Rock River-Hen Canal 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 August 2024.

How much traffic does Ill 92 Sb(cent Frw over Rock River-Hen Canal carry?

About 13,100 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is Ill 92 Sb(cent Frw over Rock River-Hen Canal?

The structure is 944 ft (287.7 m) long with a longest span of 112 ft (34.1 m) and a deck 40 ft wide.

Who owns Ill 92 Sb(cent Frw over Rock River-Hen Canal?

It is owned by the State Highway Agency.