US Bridges

Zimmerly RD - TR 3 over Little Mackinaw Rive

Good

Tazewell County, Illinois · SW COR-24-T24NR2W · Structure no. 090324300000000

Built
2007
18 years old
Condition
Good
inspected January 2022
Type
Frame
Concrete
Length
29 ft
1 main span
Daily traffic
10
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Zimmerly RD - TR 3 over Little Mackinaw Rive is a concrete frame carrying Zimmerly RD - TR 3 over Little Mackinaw Rive in Tazewell County, Illinois. It was built in 2007, so it is 18 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 10 vehicles a day, projected to reach 10 by 2046. The structure is 29 ft (8.8 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesZimmerly RD - TR 3
CrossesLittle Mackinaw Rive
LocationSW COR-24-T24NR2W
RouteCounty Highway 0
CountyTazewell County
StateIllinois
Coordinates40.51459, -89.28666
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
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span24 ft (7.3 m)
Deck width48 ft (14.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2023)
Projected traffic10 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 Zimmerly RD - TR 3 over Little Mackinaw Rive built?

It was built in 2007, making it 18 years old in 2025.

What condition is Zimmerly RD - TR 3 over Little Mackinaw Rive 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 2022.

How much traffic does Zimmerly RD - TR 3 over Little Mackinaw Rive carry?

About 10 vehicles per day (2023 count).

How long is Zimmerly RD - TR 3 over Little Mackinaw Rive?

The structure is 29 ft (8.8 m) long with a longest span of 24 ft (7.3 m) and a deck 48 ft wide.

Who owns Zimmerly RD - TR 3 over Little Mackinaw Rive?

It is owned by the Town or Township Highway Agency.