US Bridges

Ill 89 over Clear Creek Trib

Good

Putnam County, Illinois · 2.79 MI N of Ill 18 · Structure no. 078201200000000

Built
2024
1 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
1,700
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 89 over Clear Creek Trib is a concrete continuous culvert carrying Ill 89 over Clear Creek Trib in Putnam County, Illinois. It was built in 2024, so it is 1 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,700 vehicles a day, roughly 21% of them trucks, projected to reach 1,976 by 2046. The structure is 27 ft (8.1 m) long and 86 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesIll 89
CrossesClear Creek Trib
Location2.79 MI N of Ill 18
RouteState Highway 89
Coordinates41.15813, -89.20636
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.2 US tons
Inventory rating47.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length27 ft (8.1 m)
Longest span12 ft (3.7 m)
Deck width86 ft (26.2 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2023)
Projected traffic1,976 by 2046
Trucks21%
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

OwnerState Highway Agency
Maintained byState 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 Ill 89 over Clear Creek Trib built?

It was built in 2024, making it 1 years old in 2025.

What condition is Ill 89 over Clear Creek Trib 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 January 2025.

How much traffic does Ill 89 over Clear Creek Trib carry?

About 1,700 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is Ill 89 over Clear Creek Trib?

The structure is 27 ft (8.1 m) long with a longest span of 12 ft (3.7 m) and a deck 86 ft wide.

Who owns Ill 89 over Clear Creek Trib?

It is owned by the State Highway Agency.