US Bridges

Township Road 112A over Ill & Miss Canal

Fair

Bureau County, Illinois · 3 MI NE Sheffield · Structure no. 006592900000000

Built
1978
47 years old
Condition
Fair
inspected November 2023
Type
Channel Beam
Concrete
Length
109 ft
3 main spans
Daily traffic
25
2010 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Township Road 112A over Ill & Miss Canal is a concrete channel beam carrying Township Road 112A over Ill & Miss Canal in Bureau County, Illinois. It was built in 1978, so it is 47 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 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 25 vehicles a day, projected to reach 25 by 2046. The structure is 109 ft (33.2 m) long and 23 ft wide.

Location

Open in Google Maps
CarriesTownship Road 112A
CrossesIll & Miss Canal
Location3 MI NE Sheffield
RouteCounty Highway 0
CountyBureau County
StateIllinois
Coordinates41.38267, -89.67042
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating28.5 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 15
Structure length109 ft (33.2 m)
Longest span36 ft (11 m)
Deck width23 ft (6.9 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2010)
Projected traffic25 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 112A over Ill & Miss Canal built?

It was built in 1978, making it 47 years old in 2025.

What condition is Township Road 112A over Ill & Miss Canal 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 112A over Ill & Miss Canal carry?

About 25 vehicles per day (2010 count).

How long is Township Road 112A over Ill & Miss Canal?

The structure is 109 ft (33.2 m) long with a longest span of 36 ft (11 m) and a deck 23 ft wide.

Who owns Township Road 112A over Ill & Miss Canal?

It is owned by the Town or Township Highway Agency.