US Bridges

TR 565 over Spring CR

PoorPosted for load

Iroquois County, Illinois · .7M E US45 · Structure no. 038432600000000

Built
1915
110 years old
Condition
Poor
inspected July 2024
Type
Other
Concrete
Length
64 ft
1 main span
Daily traffic
50
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 565 over Spring CR is a concrete other carrying TR 565 over Spring CR in Iroquois County, Illinois. It was built in 1915, so it is 110 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, projected to reach 51 by 2046. The structure is 64 ft (19.5 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesTR 565
CrossesSpring CR
Location.7M E US45
RouteCounty Highway 0
CountyIroquois County
StateIllinois
Coordinates40.57578, -88.03522
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.5 US tons
Inventory rating22.5 US tons

Structure

Structure typeOther
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length64 ft (19.5 m)
Longest span61 ft (18.7 m)
Deck width20 ft (6.2 m)
Roadway width16 ft (5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic51 by 2046
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$207,000
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 565 over Spring CR built?

It was built in 1915, making it 110 years old in 2025.

What condition is TR 565 over Spring CR 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 July 2024.

How much traffic does TR 565 over Spring CR carry?

About 50 vehicles per day (2022 count).

How long is TR 565 over Spring CR?

The structure is 64 ft (19.5 m) long with a longest span of 61 ft (18.7 m) and a deck 20 ft wide.

Who owns TR 565 over Spring CR?

It is owned by the Town or Township Highway Agency.