US Bridges

Township Road 60B over Coal Creek

Fair

Bureau County, Illinois · 1 MI NW of Sheffield · Structure no. 006424600000000

Built
1988
37 years old
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
73 ft
1 main span
Daily traffic
200
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Township Road 60B over Coal Creek is a prestressed concrete box beam or girders - multiple carrying Township Road 60B over Coal Creek in Bureau County, Illinois. It was built in 1988, so it is 37 years old, younger 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 6 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 200 vehicles a day, roughly 10% of them trucks, projected to reach 152 by 2046. The structure is 73 ft (22.4 m) long and 27 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesTownship Road 60B
CrossesCoal Creek
Location1 MI NW of Sheffield
RouteCounty Highway 0
CountyBureau County
StateIllinois
Coordinates41.3653, -89.75137
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length73 ft (22.4 m)
Longest span70 ft (21.3 m)
Deck width27 ft (8.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2023)
Projected traffic152 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Township Road 60B over Coal Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is Township Road 60B over Coal 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 November 2023.

How much traffic does Township Road 60B over Coal Creek carry?

About 200 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Township Road 60B over Coal Creek?

The structure is 73 ft (22.4 m) long with a longest span of 70 ft (21.3 m) and a deck 27 ft wide.

Who owns Township Road 60B over Coal Creek?

It is owned by the Town or Township Highway Agency.