US Bridges

FAS 441 - Ch 15 over Grindstone Creek

Good

McDonough County, Illinois · SW-16-T4NR2W · Structure no. 055301400000000

Built
1952
73 years old
Condition
Good
inspected January 2024
Type
Slab
Concrete Continuous
Length
78 ft
3 main spans
Daily traffic
425
2021 count
Owner
County
County Highway Agency

About this bridge

FAS 441 - Ch 15 over Grindstone Creek is a concrete continuous slab carrying FAS 441 - Ch 15 over Grindstone Creek in McDonough County, Illinois. It was built in 1952, so it is 73 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 425 vehicles a day, roughly 16% of them trucks, projected to reach 429 by 2046. The structure is 78 ft (23.8 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFAS 441 - Ch 15
CrossesGrindstone Creek
LocationSW-16-T4NR2W
RouteCounty Highway 0
Coordinates40.32249, -90.63566
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.1 US tons
Inventory rating22.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length78 ft (23.8 m)
Longest span28 ft (8.5 m)
Deck width26 ft (8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic425 (2021)
Projected traffic429 by 2046
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 FAS 441 - Ch 15 over Grindstone Creek built?

It was built in 1952, making it 73 years old in 2025.

What condition is FAS 441 - Ch 15 over Grindstone Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

How much traffic does FAS 441 - Ch 15 over Grindstone Creek carry?

About 425 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is FAS 441 - Ch 15 over Grindstone Creek?

The structure is 78 ft (23.8 m) long with a longest span of 28 ft (8.5 m) and a deck 26 ft wide.

Who owns FAS 441 - Ch 15 over Grindstone Creek?

It is owned by the County Highway Agency.