US Bridges

FAS 348 CH-1 over I-55

Fair

Livingston County, Illinois · 0.32 Mi.W. of US 66 · Structure no. 053013800000000

Built
1972
53 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
261 ft
2 main spans
Daily traffic
1,400
2023 count
Owner
State
State Highway Agency

About this bridge

FAS 348 CH-1 over I-55 is a steel continuous stringer/multi-beam or girder carrying FAS 348 CH-1 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 1,400 vehicles a day, roughly 6% of them trucks, projected to reach 1,566 by 2046. The structure is 261 ft (79.6 m) long and 68 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesFAS 348 CH-1
CrossesI-55
Location0.32 Mi.W. of US 66
RouteCounty Highway 0
CountyLivingston County
StateIllinois
Coordinates41.00565, -88.5365
Functional classRural Major 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 geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating97.1 US tons
Inventory rating44.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length261 ft (79.6 m)
Longest span102 ft (31.1 m)
Deck width68 ft (20.7 m)
Roadway width48 ft (14.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2023)
Projected traffic1,566 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
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 348 CH-1 over I-55 built?

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

What condition is FAS 348 CH-1 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 348 CH-1 over I-55 carry?

About 1,400 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is FAS 348 CH-1 over I-55?

The structure is 261 ft (79.6 m) long with a longest span of 102 ft (31.1 m) and a deck 68 ft wide.

Who owns FAS 348 CH-1 over I-55?

It is owned by the State Highway Agency.