US Bridges

Feather RD - FAS 4 over I-155

Fair

Tazewell County, Illinois · 4.9 MI S of Ill 9 · Structure no. 090013700000000

Built
1990
35 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
224 ft
2 main spans
Daily traffic
100
2023 count
Owner
State
State Highway Agency

About this bridge

Feather RD - FAS 4 over I-155 is a steel continuous stringer/multi-beam or girder carrying Feather RD - FAS 4 over I-155 in Tazewell County, Illinois. It was built in 1990, so it is 35 years old, younger 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 100 vehicles a day, projected to reach 101 by 2046. The structure is 224 ft (68.3 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesFeather RD - FAS 4
CrossesI-155
Location4.9 MI S of Ill 9
RouteCounty Highway 0
CountyTazewell County
StateIllinois
Coordinates40.45417, -89.47018
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
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 geometry7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50 US tons
Inventory rating30 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length224 ft (68.3 m)
Longest span96 ft (29.4 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic101 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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 Feather RD - FAS 4 over I-155 built?

It was built in 1990, making it 35 years old in 2025.

What condition is Feather RD - FAS 4 over I-155 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 June 2024.

How much traffic does Feather RD - FAS 4 over I-155 carry?

About 100 vehicles per day (2023 count).

How long is Feather RD - FAS 4 over I-155?

The structure is 224 ft (68.3 m) long with a longest span of 96 ft (29.4 m) and a deck 33 ft wide.

Who owns Feather RD - FAS 4 over I-155?

It is owned by the State Highway Agency.