US Bridges

Ch 8 FAS 188 over I-80

Poor

Bureau County, Illinois · 2 MI N US6 @ Wyanet · Structure no. 006011200000000

Built
1963
62 years old
Condition
Poor
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
217 ft
4 main spans
Daily traffic
700
2020 count
Owner
State
State Highway Agency

About this bridge

Ch 8 FAS 188 over I-80 is a steel continuous stringer/multi-beam or girder carrying Ch 8 FAS 188 over I-80 in Bureau 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 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 700 vehicles a day, roughly 11% of them trucks, projected to reach 707 by 2046. The structure is 217 ft (66.1 m) long and 32 ft wide.

CarriesCh 8 FAS 188
CrossesI-80
Location2 MI N US6 @ Wyanet
RouteCounty Highway 0
Coordinates41.39451, -89.58798
Functional classRural Major Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.7 US tons
Inventory rating30.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length217 ft (66.1 m)
Longest span67 ft (20.5 m)
Deck width32 ft (9.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2020)
Projected traffic707 by 2046
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$743,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ch 8 FAS 188 over I-80 built?

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

What condition is Ch 8 FAS 188 over I-80 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 2023.

How much traffic does Ch 8 FAS 188 over I-80 carry?

About 700 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is Ch 8 FAS 188 over I-80?

The structure is 217 ft (66.1 m) long with a longest span of 67 ft (20.5 m) and a deck 32 ft wide.

Who owns Ch 8 FAS 188 over I-80?

It is owned by the State Highway Agency.