US Bridges

CH-26 (FAS-441) over Grindstone Creek

Fair

McDonough County, Illinois · NW-32-T4NR3W · Structure no. 055303300000000

Built
1940
85 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
67 ft
1 main span
Daily traffic
150
2021 count
Owner
County
County Highway Agency

About this bridge

CH-26 (FAS-441) over Grindstone Creek is a steel stringer/multi-beam or girder carrying CH-26 (FAS-441) over Grindstone Creek in McDonough County, Illinois. It was built in 1940, so it is 85 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.

It carries about 150 vehicles a day, roughly 17% of them trucks, projected to reach 152 by 2046. The structure is 67 ft (20.5 m) long and 21 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCH-26 (FAS-441)
CrossesGrindstone Creek
LocationNW-32-T4NR3W
RouteCounty Highway 0
CountyMcDonough County
StateIllinois
Coordinates40.29478, -90.77195
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating40.7 US tons
Inventory rating19.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length67 ft (20.5 m)
Longest span64 ft (19.5 m)
Deck width21 ft (6.4 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2021)
Projected traffic152 by 2046
Trucks17%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$114,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CH-26 (FAS-441) over Grindstone Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is CH-26 (FAS-441) 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 January 2025.

How much traffic does CH-26 (FAS-441) over Grindstone Creek carry?

About 150 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is CH-26 (FAS-441) over Grindstone Creek?

The structure is 67 ft (20.5 m) long with a longest span of 64 ft (19.5 m) and a deck 21 ft wide.

Who owns CH-26 (FAS-441) over Grindstone Creek?

It is owned by the County Highway Agency.