US Bridges

Il 8/ Il 116 over US 24/ Il 29

Poor

Tazewell County, Illinois · Cedar ST Ext E Peo · Structure no. 090003500000000

Built
1963
62 years old
Condition
Poor
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
158 ft
3 main spans
Daily traffic
11,800
2021 count
Owner
State
State Highway Agency

About this bridge

Il 8/ Il 116 over US 24/ Il 29 is a steel stringer/multi-beam or girder carrying Il 8/ Il 116 over US 24/ Il 29 in Tazewell County, Illinois. It was built in 1963, so it is 62 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 3 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 11,800 vehicles a day, roughly 8% of them trucks, projected to reach 11,918 by 2046. The structure is 158 ft (48.2 m) long and 48 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIl 8/ Il 116
CrossesUS 24/ Il 29
LocationCedar ST Ext E Peo
RouteState Highway 8
Coordinates40.66416, -89.58407
Functional classUrban Other Principal 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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionJanuary 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating66 US tons
Inventory rating34.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length158 ft (48.2 m)
Longest span77 ft (23.5 m)
Deck width48 ft (14.7 m)
Roadway width42 ft (12.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,800 (2021)
Projected traffic11,918 by 2046
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.5 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Il 8/ Il 116 over US 24/ Il 29 built?

It was built in 1963, making it 62 years old in 2025.

What condition is Il 8/ Il 116 over US 24/ Il 29 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 January 2024.

How much traffic does Il 8/ Il 116 over US 24/ Il 29 carry?

About 11,800 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Il 8/ Il 116 over US 24/ Il 29?

The structure is 158 ft (48.2 m) long with a longest span of 77 ft (23.5 m) and a deck 48 ft wide.

Who owns Il 8/ Il 116 over US 24/ Il 29?

It is owned by the State Highway Agency.