US Bridges

FAP-327 (US-50) over Fox River

Fair

Richland County, Illinois · 1 MI W JCT ILL-130 · Structure no. 080000200000000

Built
1961
64 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
274 ft
3 main spans
Daily traffic
4,200
2021 count
Owner
State
State Highway Agency

About this bridge

FAP-327 (US-50) over Fox River is a steel continuous stringer/multi-beam or girder carrying FAP-327 (US-50) over Fox River in Richland County, Illinois. It was built in 1961, so it is 64 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 4,200 vehicles a day, roughly 24% of them trucks, projected to reach 4,242 by 2046. The structure is 274 ft (83.5 m) long and 36 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesFAP-327 (US-50)
CrossesFox River
Location1 MI W JCT ILL-130
RouteU.S. Route 50
Coordinates38.71411, -88.11304
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
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating40 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length274 ft (83.5 m)
Longest span105 ft (32 m)
Deck width36 ft (10.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,200 (2021)
Projected traffic4,242 by 2046
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP-327 (US-50) over Fox River built?

It was built in 1961, making it 64 years old in 2025.

What condition is FAP-327 (US-50) over Fox River 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 August 2023.

How much traffic does FAP-327 (US-50) over Fox River carry?

About 4,200 vehicles per day (2021 count), of which roughly 24% are trucks.

How long is FAP-327 (US-50) over Fox River?

The structure is 274 ft (83.5 m) long with a longest span of 105 ft (32 m) and a deck 36 ft wide.

Who owns FAP-327 (US-50) over Fox River?

It is owned by the State Highway Agency.