US Bridges

FAI 474 Rmp 109 over WB I-74

Fair

Peoria County, Illinois · 2 MI W Sterling Ave · Structure no. 072010700000000

Built
1978
47 years old
Condition
Fair
inspected December 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
164 ft
1 main span
Daily traffic
28,400
2023 count
Owner
State
State Highway Agency

About this bridge

FAI 474 Rmp 109 over WB I-74 is a steel stringer/multi-beam or girder carrying FAI 474 Rmp 109 over WB I-74 in Peoria County, Illinois. It was built in 1978, so it is 47 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 28,400 vehicles a day, roughly 7% of them trucks, projected to reach 13,989 by 2046. The structure is 164 ft (50 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesFAI 474 Rmp 109
CrossesWB I-74
Location2 MI W Sterling Ave
RouteState Highway 6
CountyPeoria County
StateIllinois
Coordinates40.74258, -89.66769
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2022
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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating89.9 US tons
Inventory rating53.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20 + Mod
Structure length164 ft (50 m)
Longest span109 ft (33.2 m)
Deck width47 ft (14.4 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,400 (2023)
Projected traffic13,989 by 2046
Trucks7%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 FAI 474 Rmp 109 over WB I-74 built?

It was built in 1978, making it 47 years old in 2025.

What condition is FAI 474 Rmp 109 over WB I-74 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 December 2022.

How much traffic does FAI 474 Rmp 109 over WB I-74 carry?

About 28,400 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is FAI 474 Rmp 109 over WB I-74?

The structure is 164 ft (50 m) long with a longest span of 109 ft (33.2 m) and a deck 47 ft wide.

Who owns FAI 474 Rmp 109 over WB I-74?

It is owned by the State Highway Agency.