US Bridges

Ill 89 over Clear Creek

Good

Putnam County, Illinois · 1.39 MI N of Ill 18 · Structure no. 078201100000000

Built
2024
1 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete Continuous
Length
39 ft
3 main spans
Daily traffic
1,550
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 89 over Clear Creek is a concrete continuous culvert carrying Ill 89 over Clear Creek 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 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 1,550 vehicles a day, roughly 19% of them trucks, projected to reach 1,716 by 2046. The structure is 39 ft (11.8 m) long and 86 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesIll 89
CrossesClear Creek
Location1.39 MI N of Ill 18
RouteState Highway 89
Coordinates41.13788, -89.20621
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.
Culvert8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal 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 rating68.6 US tons
Inventory rating52.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length39 ft (11.8 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 traffic1,550 (2023)
Projected traffic1,716 by 2046
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 built?

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

What condition is Ill 89 over Clear 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 January 2025.

How much traffic does Ill 89 over Clear Creek carry?

About 1,550 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is Ill 89 over Clear Creek?

The structure is 39 ft (11.8 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?

It is owned by the State Highway Agency.