US Bridges

Il 92 over Big Branch Creek

Fair

Rock Island County, Illinois · 1.5 MI N Ill 192 · Structure no. 081019600000000

Built
2014
11 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
77 ft
1 main span
Daily traffic
525
2023 count
Owner
State
State Highway Agency

About this bridge

Il 92 over Big Branch Creek is a prestressed concrete stringer/multi-beam or girder carrying Il 92 over Big Branch Creek in Rock Island County, Illinois. It was built in 2014, so it is 11 years old, younger 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 525 vehicles a day, roughly 10% of them trucks, projected to reach 556 by 2046. The structure is 77 ft (23.5 m) long and 35 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

Open in Google Maps
CarriesIl 92
CrossesBig Branch Creek
Location1.5 MI N Ill 192
RouteState Highway 92
CountyRock Island County
StateIllinois
Coordinates41.42273, -90.81062
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.4 US tons
Inventory rating50.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length77 ft (23.5 m)
Longest span73 ft (22.3 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic525 (2023)
Projected traffic556 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 Il 92 over Big Branch Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is Il 92 over Big Branch 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 November 2024.

How much traffic does Il 92 over Big Branch Creek carry?

About 525 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Il 92 over Big Branch Creek?

The structure is 77 ft (23.5 m) long with a longest span of 73 ft (22.3 m) and a deck 35 ft wide.

Who owns Il 92 over Big Branch Creek?

It is owned by the State Highway Agency.