US Bridges

Il 92 SB (cent Frw over Mill Creek

Fair

Rock Island County, Illinois · .4 MI N Andalusia RD · Structure no. 081009100000000

Built
1960
65 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
124 ft
3 main spans
Daily traffic
14,400
2023 count
Owner
State
State Highway Agency

About this bridge

Il 92 SB (cent Frw over Mill Creek is a steel continuous stringer/multi-beam or girder carrying Il 92 SB (cent Frw over Mill Creek in Rock Island County, Illinois. It was built in 1960, so it is 65 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 14,400 vehicles a day, roughly 15% of them trucks, projected to reach 7,878 by 2046. The structure is 124 ft (37.8 m) long and 36 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesIl 92 SB (cent Frw
CrossesMill Creek
Location.4 MI N Andalusia RD
RouteState Highway 92
CountyRock Island County
StateIllinois
Coordinates41.45107, -90.62053
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.8 US tons
Inventory rating35.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length124 ft (37.8 m)
Longest span44 ft (13.4 m)
Deck width36 ft (11.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,400 (2023)
Projected traffic7,878 by 2046
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemYes

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 Il 92 SB (cent Frw over Mill Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Il 92 SB (cent Frw over Mill 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 January 2024.

How much traffic does Il 92 SB (cent Frw over Mill Creek carry?

About 14,400 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is Il 92 SB (cent Frw over Mill Creek?

The structure is 124 ft (37.8 m) long with a longest span of 44 ft (13.4 m) and a deck 36 ft wide.

Who owns Il 92 SB (cent Frw over Mill Creek?

It is owned by the State Highway Agency.