US Bridges

TR 322A over Wolf CR

Fair

LaSalle County, Illinois · E 19th N 1690 · Structure no. 050501000000000

Built
1954
71 years old
Condition
Fair
inspected June 2024
Type
Culvert
Steel
Length
39 ft
3 main spans
Daily traffic
275
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 322A over Wolf CR is a steel culvert carrying TR 322A over Wolf CR in LaSalle County, Illinois. It was built in 1954, so it is 71 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.

It carries about 275 vehicles a day, roughly 7% of them trucks, projected to reach 278 by 2046. The structure is 39 ft (12 m) long and 30 ft wide.

Location

Open in Google Maps
CarriesTR 322A
CrossesWolf CR
LocationE 19th N 1690
RouteCounty Highway 0
CountyLaSalle County
StateIllinois
Coordinates41.17847, -88.79764
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.6 US tons
Inventory rating58.5 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadUnknown
Structure length39 ft (12 m)
Longest span12 ft (3.8 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic275 (2020)
Projected traffic278 by 2046
Trucks7%
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 322A over Wolf CR built?

It was built in 1954, making it 71 years old in 2025.

What condition is TR 322A over Wolf 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 June 2024.

How much traffic does TR 322A over Wolf CR carry?

About 275 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is TR 322A over Wolf CR?

The structure is 39 ft (12 m) long with a longest span of 12 ft (3.8 m) and a deck 30 ft wide.

Who owns TR 322A over Wolf CR?

It is owned by the Town or Township Highway Agency.