US Bridges

FAP-327 (US-50) over FAU-8492/WHITTLE Ave

Fair

Richland County, Illinois · Olney · Structure no. 080000400000000

Built
1963
62 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
145 ft
3 main spans
Daily traffic
3,350
2021 count
Owner
State
State Highway Agency

About this bridge

FAP-327 (US-50) over FAU-8492/WHITTLE Ave is a steel continuous stringer/multi-beam or girder carrying FAP-327 (US-50) over FAU-8492/WHITTLE Ave in Richland County, Illinois. It was built in 1963, so it is 62 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 3,350 vehicles a day, roughly 17% of them trucks, projected to reach 3,384 by 2046. The structure is 145 ft (44.2 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFAP-327 (US-50)
CrossesFAU-8492/WHITTLE Ave
LocationOlney
RouteU.S. Route 50
Coordinates38.71446, -88.08733
Functional classUrban Other Principal 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionOctober 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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating38.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length145 ft (44.2 m)
Longest span54 ft (16.5 m)
Deck width36 ft (10.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,350 (2021)
Projected traffic3,384 by 2046
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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 FAP-327 (US-50) over FAU-8492/WHITTLE Ave built?

It was built in 1963, making it 62 years old in 2025.

What condition is FAP-327 (US-50) over FAU-8492/WHITTLE Ave 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 October 2023.

How much traffic does FAP-327 (US-50) over FAU-8492/WHITTLE Ave carry?

About 3,350 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is FAP-327 (US-50) over FAU-8492/WHITTLE Ave?

The structure is 145 ft (44.2 m) long with a longest span of 54 ft (16.5 m) and a deck 36 ft wide.

Who owns FAP-327 (US-50) over FAU-8492/WHITTLE Ave?

It is owned by the State Highway Agency.