US Bridges

Township RD 60 B over Smith Ditch

Good

Bureau County, Illinois · 3.5 Mi. NW Sheffield · Structure no. 006411100000000

Built
2018
7 years old
Condition
Good
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
58 ft
1 main span
Daily traffic
75
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Township RD 60 B over Smith Ditch is a prestressed concrete box beam or girders - multiple carrying Township RD 60 B over Smith Ditch in Bureau County, Illinois. It was built in 2018, so it is 7 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 75 vehicles a day, roughly 24% of them trucks, projected to reach 76 by 2046. The structure is 58 ft (17.7 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesTownship RD 60 B
CrossesSmith Ditch
Location3.5 Mi. NW Sheffield
RouteCounty Highway 0
Coordinates41.41608, -89.76634
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 protection8 Very GoodNo problems noted.
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating55 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length58 ft (17.7 m)
Longest span55 ft (16.8 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2020)
Projected traffic76 by 2046
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Township RD 60 B over Smith Ditch built?

It was built in 2018, making it 7 years old in 2025.

What condition is Township RD 60 B over Smith Ditch 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 Township RD 60 B over Smith Ditch carry?

About 75 vehicles per day (2020 count), of which roughly 24% are trucks.

How long is Township RD 60 B over Smith Ditch?

The structure is 58 ft (17.7 m) long with a longest span of 55 ft (16.8 m) and a deck 24 ft wide.

Who owns Township RD 60 B over Smith Ditch?

It is owned by the Town or Township Highway Agency.