US Bridges

TR 112B over Stream

Good

Shelby County, Illinois · 2.3 MI NE Tower Hill · Structure no. 087353700000000

Built
2006
19 years old
Condition
Good
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
77 ft
1 main span
Daily traffic
175
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 112B over Stream is a prestressed concrete box beam or girders - multiple carrying TR 112B over Stream in Shelby County, Illinois. It was built in 2006, so it is 19 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 175 vehicles a day, roughly 6% of them trucks, projected to reach 126 by 2046. The structure is 77 ft (23.6 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesTR 112B
CrossesStream
Location2.3 MI NE Tower Hill
RouteCounty Highway 0
Coordinates39.41836, -88.93643
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 inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable 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 length77 ft (23.6 m)
Longest span73 ft (22.1 m)
Deck width24 ft (7.3 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic175 (2024)
Projected traffic126 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 112B over Stream built?

It was built in 2006, making it 19 years old in 2025.

What condition is TR 112B over Stream 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 March 2023.

How much traffic does TR 112B over Stream carry?

About 175 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is TR 112B over Stream?

The structure is 77 ft (23.6 m) long with a longest span of 73 ft (22.1 m) and a deck 24 ft wide.

Who owns TR 112B over Stream?

It is owned by the Town or Township Highway Agency.