US Bridges

FAP-327 (US-50 Wb) over Elm River

Fair

Clay County, Illinois · .2 MI E JCT US-45S · Structure no. 013000300000000

Built
1965
60 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
118 ft
3 main spans
Daily traffic
4,950
2023 count
Owner
State
State Highway Agency

About this bridge

FAP-327 (US-50 Wb) over Elm River is a steel continuous stringer/multi-beam or girder carrying FAP-327 (US-50 Wb) over Elm River in Clay County, Illinois. It was built in 1965, so it is 60 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 6 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 4,950 vehicles a day, roughly 14% of them trucks, projected to reach 2,576 by 2046. The structure is 118 ft (36 m) long and 40 ft wide.

CarriesFAP-327 (US-50 Wb)
CrossesElm River
Location.2 MI E JCT US-45S
RouteU.S. Route 50
Coordinates38.67463, -88.43587
Functional classRural Principal Arterial - Other

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.6 US tons
Inventory rating34.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length118 ft (36 m)
Longest span42 ft (12.8 m)
Deck width40 ft (12.1 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,950 (2023)
Projected traffic2,576 by 2046
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Wb) over Elm River built?

It was built in 1965, making it 60 years old in 2025.

What condition is FAP-327 (US-50 Wb) over Elm 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 July 2023.

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

About 4,950 vehicles per day (2023 count), of which roughly 14% are trucks.

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

The structure is 118 ft (36 m) long with a longest span of 42 ft (12.8 m) and a deck 40 ft wide.

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

It is owned by the State Highway Agency.