US Bridges

TR 4 (co. Line Roa over Middle Fork Sugar CR

Good

Tazewell County, Illinois · Hittle-East Line 12 · Structure no. 090304800000000

Built
1982
43 years old
Condition
Good
inspected January 2024
Type
Slab
Concrete
Length
231 ft
9 main spans
Daily traffic
75
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 4 (co. Line Roa over Middle Fork Sugar CR is a concrete slab carrying TR 4 (co. Line Roa over Middle Fork Sugar CR in Tazewell County, Illinois. It was built in 1982, so it is 43 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 7 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 13% of them trucks, projected to reach 76 by 2046. The structure is 231 ft (70.4 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesTR 4 (co. Line Roa
CrossesMiddle Fork Sugar CR
LocationHittle-East Line 12
RouteCounty Highway 0
Coordinates40.37609, -89.26465
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
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 typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length231 ft (70.4 m)
Longest span26 ft (7.9 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2024)
Projected traffic76 by 2046
Trucks13%
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 4 (co. Line Roa over Middle Fork Sugar CR built?

It was built in 1982, making it 43 years old in 2025.

What condition is TR 4 (co. Line Roa over Middle Fork Sugar CR 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 TR 4 (co. Line Roa over Middle Fork Sugar CR carry?

About 75 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is TR 4 (co. Line Roa over Middle Fork Sugar CR?

The structure is 231 ft (70.4 m) long with a longest span of 26 ft (7.9 m) and a deck 26 ft wide.

Who owns TR 4 (co. Line Roa over Middle Fork Sugar CR?

It is owned by the Town or Township Highway Agency.