US Bridges

IL-128 (FAP-774) over Cn RR (abandoned)

Fair

Shelby County, Illinois · 0.5 MI S of Il 16 · Structure no. 087002100000000

Built
1973
52 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
149 ft
3 main spans
Daily traffic
2,450
2023 count
Owner
State
State Highway Agency

About this bridge

IL-128 (FAP-774) over Cn RR (abandoned) is a steel continuous stringer/multi-beam or girder carrying IL-128 (FAP-774) over Cn RR (abandoned) in Shelby County, Illinois. It was built in 1973, so it is 52 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 2,450 vehicles a day, roughly 15% of them trucks, projected to reach 2,525 by 2046. The structure is 149 ft (45.4 m) long and 46 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

CarriesIL-128 (FAP-774)
CrossesCn RR (abandoned)
Location0.5 MI S of Il 16
RouteState Highway 128
Coordinates39.4, -88.86325
Functional classRural Minor Arterial

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 inspectionApril 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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.7 US tons
Inventory rating37.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length149 ft (45.4 m)
Longest span53 ft (16.1 m)
Deck width46 ft (14 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,450 (2023)
Projected traffic2,525 by 2046
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed39.8 mi (64 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 IL-128 (FAP-774) over Cn RR (abandoned) built?

It was built in 1973, making it 52 years old in 2025.

What condition is IL-128 (FAP-774) over Cn RR (abandoned) 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 April 2023.

How much traffic does IL-128 (FAP-774) over Cn RR (abandoned) carry?

About 2,450 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is IL-128 (FAP-774) over Cn RR (abandoned)?

The structure is 149 ft (45.4 m) long with a longest span of 53 ft (16.1 m) and a deck 46 ft wide.

Who owns IL-128 (FAP-774) over Cn RR (abandoned)?

It is owned by the State Highway Agency.