US Bridges

TR 86 over Branch of Shoal CR

FairPosted for load

Bond County, Illinois · 0.75 MI NE E Pierron · Structure no. 003310500000000

Built
1901
124 years old
Condition
Fair
inspected November 2023
Type
Arch - Deck
Concrete
Length
56 ft
1 main span
Daily traffic
25
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 86 over Branch of Shoal CR is a concrete arch - deck carrying TR 86 over Branch of Shoal CR in Bond County, Illinois. It was built in 1901, so it is 124 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 25 vehicles a day, roughly 20% of them trucks, projected to reach 25 by 2046. The structure is 56 ft (17.1 m) long and 13 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTR 86
CrossesBranch of Shoal CR
Location0.75 MI NE E Pierron
RouteCounty Highway 0
Coordinates38.78775, -89.50715
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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating25.7 US tons
Inventory rating15.8 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length56 ft (17.1 m)
Longest span52 ft (15.8 m)
Deck width13 ft (4.1 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2020)
Projected traffic25 by 2046
Trucks20%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$41,000
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 86 over Branch of Shoal CR built?

It was built in 1901, making it 124 years old in 2025.

What condition is TR 86 over Branch of Shoal 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 November 2023.

How much traffic does TR 86 over Branch of Shoal CR carry?

About 25 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is TR 86 over Branch of Shoal CR?

The structure is 56 ft (17.1 m) long with a longest span of 52 ft (15.8 m) and a deck 13 ft wide.

Who owns TR 86 over Branch of Shoal CR?

It is owned by the Town or Township Highway Agency.