US Bridges

FAP 325(ILL 16) over Robinson Creek

Fair

Shelby County, Illinois · 4.25 MI E Tower Hill · Structure no. 087000500000000

Built
1967
58 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
373 ft
5 main spans
Daily traffic
5,200
2023 count
Owner
State
State Highway Agency

About this bridge

FAP 325(ILL 16) over Robinson Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying FAP 325(ILL 16) over Robinson Creek in Shelby County, Illinois. It was built in 1967, so it is 58 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 5,200 vehicles a day, roughly 9% of them trucks, projected to reach 5,808 by 2046. The structure is 373 ft (113.7 m) long and 36 ft wide. If it were closed, the detour would be 67.7 mi (109 km).

CarriesFAP 325(ILL 16)
CrossesRobinson Creek
Location4.25 MI E Tower Hill
RouteState Highway 16
Coordinates39.40593, -88.89664
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 rating85.3 US tons
Inventory rating51 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length373 ft (113.7 m)
Longest span74 ft (22.5 m)
Deck width36 ft (11 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,200 (2023)
Projected traffic5,808 by 2046
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed67.7 mi (109 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 325(ILL 16) over Robinson Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is FAP 325(ILL 16) over Robinson Creek 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 May 2023.

How much traffic does FAP 325(ILL 16) over Robinson Creek carry?

About 5,200 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is FAP 325(ILL 16) over Robinson Creek?

The structure is 373 ft (113.7 m) long with a longest span of 74 ft (22.5 m) and a deck 36 ft wide.

Who owns FAP 325(ILL 16) over Robinson Creek?

It is owned by the State Highway Agency.