US Bridges

TR 362 over Grindstone CR

Good

McDonough County, Illinois · NW-12-T4NR2W · Structure no. 055551500000000

Built
1994
31 years old
Condition
Good
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
41 ft
1 main span
Daily traffic
50
2016 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 362 over Grindstone CR is a prestressed concrete box beam or girders - multiple carrying TR 362 over Grindstone CR in McDonough County, Illinois. It was built in 1994, so it is 31 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, projected to reach 51 by 2046. The structure is 41 ft (12.6 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesTR 362
CrossesGrindstone CR
LocationNW-12-T4NR2W
RouteCounty Highway 0
Coordinates40.34914, -90.58166
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length41 ft (12.6 m)
Longest span39 ft (11.9 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2016)
Projected traffic51 by 2046
Trucks0%
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

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 TR 362 over Grindstone CR built?

It was built in 1994, making it 31 years old in 2025.

What condition is TR 362 over Grindstone CR 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 TR 362 over Grindstone CR carry?

About 50 vehicles per day (2016 count).

How long is TR 362 over Grindstone CR?

The structure is 41 ft (12.6 m) long with a longest span of 39 ft (11.9 m) and a deck 24 ft wide.

Who owns TR 362 over Grindstone CR?

It is owned by the Town or Township Highway Agency.