US Bridges

Ill Route 92 over Warren Creek

Fair

Rock Island County, Illinois · 4 MI E of Andalusia · Structure no. 081011800000000

Built
1975
50 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
8,600
2023 count
Owner
State
State Highway Agency

About this bridge

Ill Route 92 over Warren Creek is a prestressed concrete box beam or girders - multiple carrying Ill Route 92 over Warren Creek in Rock Island 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 8,600 vehicles a day, roughly 11% of them trucks, projected to reach 9,848 by 2046. The structure is 52 ft (15.9 m) long and 45 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesIll Route 92
CrossesWarren Creek
Location4 MI E of Andalusia
RouteState Highway 92
Coordinates41.44384, -90.63207
Functional classUrban 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.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating63.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length52 ft (15.9 m)
Longest span50 ft (15.2 m)
Deck width45 ft (13.7 m)
Roadway width44 ft (13.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,600 (2023)
Projected traffic9,848 by 2046
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 Ill Route 92 over Warren Creek built?

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

What condition is Ill Route 92 over Warren Creek 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 July 2023.

How much traffic does Ill Route 92 over Warren Creek carry?

About 8,600 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is Ill Route 92 over Warren Creek?

The structure is 52 ft (15.9 m) long with a longest span of 50 ft (15.2 m) and a deck 45 ft wide.

Who owns Ill Route 92 over Warren Creek?

It is owned by the State Highway Agency.