US Bridges

Old Ill 92 over Drainage Ditch

Fair

Rock Island County, Illinois · .8 MI W of I-88 · Structure no. 081005500000000

Built
1935
90 years old
Condition
Fair
inspected May 2024
Type
Tee Beam
Concrete
Length
50 ft
1 main span
Daily traffic
650
2020 count
Owner
State
State Highway Agency

About this bridge

Old Ill 92 over Drainage Ditch is a concrete tee beam carrying Old Ill 92 over Drainage Ditch in Rock Island County, Illinois. It was built in 1935, so it is 90 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 650 vehicles a day, roughly 35% of them trucks, projected to reach 657 by 2046. The structure is 50 ft (15.2 m) long and 48 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

Location

Open in Google Maps
CarriesOld Ill 92
CrossesDrainage Ditch
Location.8 MI W of I-88
RouteCounty Highway 0
CountyRock Island County
StateIllinois
Coordinates41.55669, -90.25774
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.9 US tons
Inventory rating32.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length50 ft (15.2 m)
Longest span46 ft (14 m)
Deck width48 ft (14.5 m)
Roadway width44 ft (13.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic650 (2020)
Projected traffic657 by 2046
Trucks35%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Ill 92 over Drainage Ditch built?

It was built in 1935, making it 90 years old in 2025.

What condition is Old Ill 92 over Drainage Ditch 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 May 2024.

How much traffic does Old Ill 92 over Drainage Ditch carry?

About 650 vehicles per day (2020 count), of which roughly 35% are trucks.

How long is Old Ill 92 over Drainage Ditch?

The structure is 50 ft (15.2 m) long with a longest span of 46 ft (14 m) and a deck 48 ft wide.

Who owns Old Ill 92 over Drainage Ditch?

It is owned by the State Highway Agency.