US Bridges

TR-189 Bttrfld Tra over Trib Spring Creek

Fair

Iroquois County, Illinois · .31 MI E of Gilman · Structure no. 038690000000000

Built
1990
35 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
66 ft
1 main span
Daily traffic
325
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

TR-189 Bttrfld Tra over Trib Spring Creek is a prestressed concrete box beam or girders - multiple carrying TR-189 Bttrfld Tra over Trib Spring Creek in Iroquois County, Illinois. It was built in 1990, so it is 35 years old, younger 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 325 vehicles a day, roughly 25% of them trucks, projected to reach 505 by 2046. The structure is 66 ft (20 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTR-189 Bttrfld Tra
CrossesTrib Spring Creek
Location.31 MI E of Gilman
RouteCounty Highway 0
Coordinates40.75211, -87.99083
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.
Substructure8 Very GoodNo problems noted.
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 evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating38.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length66 ft (20 m)
Longest span64 ft (19.4 m)
Deck width27 ft (8.2 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic325 (2022)
Projected traffic505 by 2046
Trucks25%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Bttrfld Tra over Trib Spring Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is TR-189 Bttrfld Tra over Trib 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 Bttrfld Tra over Trib Spring Creek carry?

About 325 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is TR-189 Bttrfld Tra over Trib Spring Creek?

The structure is 66 ft (20 m) long with a longest span of 64 ft (19.4 m) and a deck 27 ft wide.

Who owns TR-189 Bttrfld Tra over Trib Spring Creek?

It is owned by the City or Municipal Highway Agency.