US Bridges

Ill 8 over Tiber Creek

Poor

Peoria County, Illinois · 2.2 MI E of Ill 78 · Structure no. 072200700000000

Built
1971
54 years old, rebuilt 1995
Condition
Poor
inspected December 2023
Type
Culvert
Concrete Continuous
Length
45 ft
4 main spans
Daily traffic
1,650
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 8 over Tiber Creek is a concrete continuous culvert carrying Ill 8 over Tiber Creek in Peoria County, Illinois. It was built in 1971 and reconstructed in 1995, so it is 54 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,650 vehicles a day, roughly 5% of them trucks, projected to reach 2,172 by 2046. The structure is 45 ft (13.7 m) long. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesIll 8
CrossesTiber Creek
Location2.2 MI E of Ill 78
RouteState Highway 8
CountyPeoria County
StateIllinois
Coordinates40.79212, -89.92398
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating98.2 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,650 (2023)
Projected traffic2,172 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 8 over Tiber Creek built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 1995.

What condition is Ill 8 over Tiber Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2023.

How much traffic does Ill 8 over Tiber Creek carry?

About 1,650 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Ill 8 over Tiber Creek?

The structure is 45 ft (13.7 m) long with a longest span of 10 ft (3 m).

Who owns Ill 8 over Tiber Creek?

It is owned by the State Highway Agency.