US Bridges

TR 189 over Br of Spring Creek

Fair

Iroquois County, Illinois · 1.75MI E JCT45&24 · Structure no. 038403600000000

Built
1928
97 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete
Length
28 ft
1 main span
Daily traffic
325
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 189 over Br of Spring Creek is a concrete slab carrying TR 189 over Br of Spring Creek in Iroquois County, Illinois. It was built in 1928, so it is 97 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 325 vehicles a day, roughly 24% of them trucks, projected to reach 354 by 2046. The structure is 28 ft (8.5 m) long and 20 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesTR 189
CrossesBr of Spring Creek
Location1.75MI E JCT45&24
RouteCounty Highway 0
CountyIroquois County
StateIllinois
Coordinates40.75287, -87.96333
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionApril 2023
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating58.2 US tons
Inventory rating35.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span27 ft (8.2 m)
Deck width20 ft (6.2 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic325 (2022)
Projected traffic354 by 2046
Trucks24%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$90,000
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 189 over Br of Spring Creek built?

It was built in 1928, making it 97 years old in 2025.

What condition is TR 189 over Br of 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 April 2023.

How much traffic does TR 189 over Br of Spring Creek carry?

About 325 vehicles per day (2022 count), of which roughly 24% are trucks.

How long is TR 189 over Br of Spring Creek?

The structure is 28 ft (8.5 m) long with a longest span of 27 ft (8.2 m) and a deck 20 ft wide.

Who owns TR 189 over Br of Spring Creek?

It is owned by the Town or Township Highway Agency.