US Bridges

TR 239 over Spring Creek

FairPosted for load

LaSalle County, Illinois · N 33rd E 050 · Structure no. 050315800000000

Built
1964
61 years old
Condition
Fair
inspected June 2024
Type
Channel Beam
Concrete
Length
78 ft
3 main spans
Daily traffic
225
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 239 over Spring Creek is a concrete channel beam carrying TR 239 over Spring Creek in LaSalle County, Illinois. It was built in 1964, so it is 61 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 225 vehicles a day, roughly 9% of them trucks, projected to reach 227 by 2046. The structure is 78 ft (23.8 m) long and 26 ft wide.

CarriesTR 239
CrossesSpring Creek
LocationN 33rd E 050
RouteCounty Highway 0
Coordinates41.41063, -89.15652
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 rating51.8 US tons
Inventory rating26.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 15
Structure length78 ft (23.8 m)
Longest span36 ft (11 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2020)
Projected traffic227 by 2046
Trucks9%
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 239 over Spring Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is TR 239 over Spring Creek 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 239 over Spring Creek carry?

About 225 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is TR 239 over Spring Creek?

The structure is 78 ft (23.8 m) long with a longest span of 36 ft (11 m) and a deck 26 ft wide.

Who owns TR 239 over Spring Creek?

It is owned by the Town or Township Highway Agency.