US Bridges

Il 9 over Shaw Creek

Fair

McDonough County, Illinois · 0.75 MI E of Ill 41 · Structure no. 055007900000000

Built
2010
15 years old
Condition
Fair
inspected December 2020
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
95 ft
1 main span
Daily traffic
800
2023 count
Owner
State
State Highway Agency

About this bridge

Il 9 over Shaw Creek is a prestressed concrete stringer/multi-beam or girder carrying Il 9 over Shaw Creek in McDonough County, Illinois. It was built in 2010, so it is 15 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 800 vehicles a day, roughly 16% of them trucks, projected to reach 960 by 2046. The structure is 95 ft (28.9 m) long and 35 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesIl 9
CrossesShaw Creek
Location0.75 MI E of Ill 41
RouteState Highway 9
Coordinates40.58413, -90.44695
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2020
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98.2 US tons
Inventory rating54.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length95 ft (28.9 m)
Longest span92 ft (28 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2023)
Projected traffic960 by 2046
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 9 over Shaw Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is Il 9 over Shaw 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 December 2020.

How much traffic does Il 9 over Shaw Creek carry?

About 800 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is Il 9 over Shaw Creek?

The structure is 95 ft (28.9 m) long with a longest span of 92 ft (28 m) and a deck 35 ft wide.

Who owns Il 9 over Shaw Creek?

It is owned by the State Highway Agency.