US Bridges

Ill 92(CENTNAL Frw over Iais RR

Fair

Rock Island County, Illinois · .2 MI S 18th ST R.I. · Structure no. 081006400000000

Built
1963
62 years old, rebuilt 2009
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
229 ft
3 main spans
Daily traffic
11,100
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 92(CENTNAL Frw over Iais RR is a steel continuous stringer/multi-beam or girder carrying Ill 92(CENTNAL Frw over Iais RR in Rock Island County, Illinois. It was built in 1963 and reconstructed in 2009, 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 11,100 vehicles a day, roughly 11% of them trucks, projected to reach 9,242 by 2046. The structure is 229 ft (69.7 m) long and 81 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesIll 92(CENTNAL Frw
CrossesIais RR
Location.2 MI S 18th ST R.I.
RouteState Highway 92
CountyRock Island County
StateIllinois
Coordinates41.49204, -90.59398
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.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.7 US tons
Inventory rating47.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length229 ft (69.7 m)
Longest span87 ft (26.5 m)
Deck width81 ft (24.7 m)
Roadway width75 ft (22.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,100 (2023)
Projected traffic9,242 by 2046
Trucks11%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed5 mi (8 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$2.1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ill 92(CENTNAL Frw over Iais RR built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2009.

What condition is Ill 92(CENTNAL Frw over Iais RR 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 2023.

How much traffic does Ill 92(CENTNAL Frw over Iais RR carry?

About 11,100 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is Ill 92(CENTNAL Frw over Iais RR?

The structure is 229 ft (69.7 m) long with a longest span of 87 ft (26.5 m) and a deck 81 ft wide.

Who owns Ill 92(CENTNAL Frw over Iais RR?

It is owned by the State Highway Agency.