US Bridges

FAP-332 (ILL-1) over Grindstone Creek

FairPosted for load

White County, Illinois · .5 MI S Brownsville · Structure no. 097001100000000

Built
1922
103 years old, rebuilt 1951
Condition
Fair
inspected February 2025
Type
Slab
Concrete
Length
24 ft
1 main span
Daily traffic
3,250
2023 count
Owner
State
State Highway Agency

About this bridge

FAP-332 (ILL-1) over Grindstone Creek is a concrete slab carrying FAP-332 (ILL-1) over Grindstone Creek in White County, Illinois. It was built in 1922 and reconstructed in 1951, so it is 103 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 3,250 vehicles a day, roughly 13% of them trucks, projected to reach 3,182 by 2046. The structure is 24 ft (7.3 m) long and 37 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesFAP-332 (ILL-1)
CrossesGrindstone Creek
Location.5 MI S Brownsville
RouteState Highway 1
Coordinates38.03721, -88.24918
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating47.5 US tons
Inventory rating28.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span23 ft (7 m)
Deck width37 ft (11.2 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,250 (2023)
Projected traffic3,182 by 2046
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 FAP-332 (ILL-1) over Grindstone Creek built?

It was built in 1922, making it 103 years old in 2025. It was reconstructed in 1951.

What condition is FAP-332 (ILL-1) over Grindstone 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 February 2025.

How much traffic does FAP-332 (ILL-1) over Grindstone Creek carry?

About 3,250 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is FAP-332 (ILL-1) over Grindstone Creek?

The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m) and a deck 37 ft wide.

Who owns FAP-332 (ILL-1) over Grindstone Creek?

It is owned by the State Highway Agency.