US Bridges

TR 4 (mclean Co.) over West Fork Sugar CR

Fair

Tazewell County, Illinois · Allin Westline Sec 7 · Structure no. 090316500000000

Built
1971
54 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete
Length
94 ft
3 main spans
Daily traffic
25
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 4 (mclean Co.) over West Fork Sugar CR is a concrete slab carrying TR 4 (mclean Co.) over West Fork Sugar CR in Tazewell County, Illinois. It was built in 1971, so it is 54 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, roughly 40% of them trucks, projected to reach 25 by 2046. The structure is 94 ft (28.7 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesTR 4 (mclean Co.)
CrossesWest Fork Sugar CR
LocationAllin Westline Sec 7
RouteCounty Highway 0
CountyTazewell County
StateIllinois
Coordinates40.46513, -89.26603
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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
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 geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length94 ft (28.7 m)
Longest span35 ft (10.7 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2024)
Projected traffic25 by 2046
Trucks40%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 (mclean Co.) over West Fork Sugar CR built?

It was built in 1971, making it 54 years old in 2025.

What condition is TR 4 (mclean Co.) over West Fork Sugar CR 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 January 2025.

How much traffic does TR 4 (mclean Co.) over West Fork Sugar CR carry?

About 25 vehicles per day (2024 count), of which roughly 40% are trucks.

How long is TR 4 (mclean Co.) over West Fork Sugar CR?

The structure is 94 ft (28.7 m) long with a longest span of 35 ft (10.7 m) and a deck 26 ft wide.

Who owns TR 4 (mclean Co.) over West Fork Sugar CR?

It is owned by the Town or Township Highway Agency.