US Bridges

TR 205 over Crooked Leg CR

Fair

LaSalle County, Illinois · N 36th E 1790 · Structure no. 050314300000000

Built
1965
60 years old
Condition
Fair
inspected July 2024
Type
Channel Beam
Concrete
Length
72 ft
3 main spans
Daily traffic
150
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 205 over Crooked Leg CR is a concrete channel beam carrying TR 205 over Crooked Leg CR in LaSalle County, Illinois. It was built in 1965, so it is 60 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 150 vehicles a day, roughly 6% of them trucks, projected to reach 152 by 2046. The structure is 72 ft (21.9 m) long and 26 ft wide.

Location

Open in Google Maps
CarriesTR 205
CrossesCrooked Leg CR
LocationN 36th E 1790
RouteCounty Highway 0
CountyLaSalle County
StateIllinois
Coordinates41.45622, -88.81759
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating55 US tons
Inventory rating21.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 15
Structure length72 ft (21.9 m)
Longest span30 ft (9.1 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2020)
Projected traffic152 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 205 over Crooked Leg CR built?

It was built in 1965, making it 60 years old in 2025.

What condition is TR 205 over Crooked Leg 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 July 2024.

How much traffic does TR 205 over Crooked Leg CR carry?

About 150 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is TR 205 over Crooked Leg CR?

The structure is 72 ft (21.9 m) long with a longest span of 30 ft (9.1 m) and a deck 26 ft wide.

Who owns TR 205 over Crooked Leg CR?

It is owned by the Town or Township Highway Agency.