US Bridges

TR-355 over Raccoon Creek

Poor

Clay County, Illinois · 2.5 MI SW Flora · Structure no. 013500200000000

Built
1909
116 years old
Condition
Poor
inspected February 2024
Type
Culvert
Steel
Length
35 ft
4 main spans
Daily traffic
100
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR-355 over Raccoon Creek is a steel culvert carrying TR-355 over Raccoon Creek in Clay County, Illinois. It was built in 1909, so it is 116 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 100 vehicles a day, roughly 4% of them trucks, projected to reach 101 by 2046. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesTR-355
CrossesRaccoon Creek
Location2.5 MI SW Flora
RouteCounty Highway 0
CountyClay County
StateIllinois
Coordinates38.64294, -88.536
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating98.2 US tons
Inventory rating98.2 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2021)
Projected traffic101 by 2046
Trucks4%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$61,000
NavigationNo navigation control on waterway

Frequently asked questions

When was TR-355 over Raccoon Creek built?

It was built in 1909, making it 116 years old in 2025.

What condition is TR-355 over Raccoon Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2024.

How much traffic does TR-355 over Raccoon Creek carry?

About 100 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is TR-355 over Raccoon Creek?

The structure is 35 ft (10.7 m) long with a longest span of 7 ft (2.1 m).

Who owns TR-355 over Raccoon Creek?

It is owned by the Town or Township Highway Agency.