US Bridges

Ill 9 over Brays Creek

Fair

McLean County, Illinois · .83 E of Arrowsmith · Structure no. 057019100000000

Built
1980
45 years old, rebuilt 2008
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
53 ft
1 main span
Daily traffic
1,500
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 9 over Brays Creek is a prestressed concrete box beam or girders - multiple carrying Ill 9 over Brays Creek in McLean County, Illinois. It was built in 1980 and reconstructed in 2008, so it is 45 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 1,500 vehicles a day, roughly 10% of them trucks, projected to reach 1,566 by 2046. The structure is 53 ft (16.3 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIll 9
CrossesBrays Creek
Location.83 E of Arrowsmith
RouteState Highway 9
Coordinates40.48562, -88.6165
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.1 US tons
Inventory rating42.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length53 ft (16.3 m)
Longest span50 ft (15.3 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2023)
Projected traffic1,566 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 9 over Brays Creek built?

It was built in 1980, making it 45 years old in 2025. It was reconstructed in 2008.

What condition is Ill 9 over Brays 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 April 2024.

How much traffic does Ill 9 over Brays Creek carry?

About 1,500 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Ill 9 over Brays Creek?

The structure is 53 ft (16.3 m) long with a longest span of 50 ft (15.3 m) and a deck 32 ft wide.

Who owns Ill 9 over Brays Creek?

It is owned by the State Highway Agency.