US Bridges

FAS 345 CH-6 over I-55

Fair

Livingston County, Illinois · 1 Mi.N. of Odell · Structure no. 053011200000000

Built
1972
53 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
301 ft
2 main spans
Daily traffic
225
2023 count
Owner
State
State Highway Agency

About this bridge

FAS 345 CH-6 over I-55 is a steel continuous stringer/multi-beam or girder carrying FAS 345 CH-6 over I-55 in Livingston County, Illinois. It was built in 1972, so it is 53 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 225 vehicles a day, roughly 42% of them trucks, projected to reach 253 by 2046. The structure is 301 ft (91.7 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesFAS 345 CH-6
CrossesI-55
Location1 Mi.N. of Odell
RouteCounty Highway 0
CountyLivingston County
StateIllinois
Coordinates41.01912, -88.52835
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating62.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length301 ft (91.7 m)
Longest span119 ft (36.3 m)
Deck width32 ft (9.7 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2023)
Projected traffic253 by 2046
Trucks42%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAS 345 CH-6 over I-55 built?

It was built in 1972, making it 53 years old in 2025.

What condition is FAS 345 CH-6 over I-55 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2023.

How much traffic does FAS 345 CH-6 over I-55 carry?

About 225 vehicles per day (2023 count), of which roughly 42% are trucks.

How long is FAS 345 CH-6 over I-55?

The structure is 301 ft (91.7 m) long with a longest span of 119 ft (36.3 m) and a deck 32 ft wide.

Who owns FAS 345 CH-6 over I-55?

It is owned by the State Highway Agency.