US Bridges

TR 189 over Spring Creek

Good

Iroquois County, Illinois · 5.1MI E JCT45&24 · Structure no. 038405600000000

Built
2007
18 years old
Condition
Good
inspected April 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
174 ft
2 main spans
Daily traffic
125
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 189 over Spring Creek is a prestressed concrete box beam or girders - multiple carrying TR 189 over Spring Creek in Iroquois County, Illinois. It was built in 2007, so it is 18 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 125 vehicles a day, roughly 14% of them trucks, projected to reach 177 by 2046. The structure is 174 ft (52.9 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTR 189
CrossesSpring Creek
Location5.1MI E JCT45&24
RouteCounty Highway 0
Coordinates40.75464, -87.89955
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length174 ft (52.9 m)
Longest span86 ft (26.1 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2022)
Projected traffic177 by 2046
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 189 over Spring Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is TR 189 over Spring Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2021.

How much traffic does TR 189 over Spring Creek carry?

About 125 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is TR 189 over Spring Creek?

The structure is 174 ft (52.9 m) long with a longest span of 86 ft (26.1 m) and a deck 30 ft wide.

Who owns TR 189 over Spring Creek?

It is owned by the Town or Township Highway Agency.