US Bridges

FAS 423 / Ch 15 over Rileys Creek

Good

Hancock County, Illinois · .5MI S Powellton · Structure no. 034315100000000

Built
1994
31 years old
Condition
Good
inspected April 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
62 ft
1 main span
Daily traffic
300
2018 count
Owner
County
County Highway Agency

About this bridge

FAS 423 / Ch 15 over Rileys Creek is a prestressed concrete box beam or girders - multiple carrying FAS 423 / Ch 15 over Rileys Creek in Hancock County, Illinois. It was built in 1994, so it is 31 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 300 vehicles a day, roughly 13% of them trucks, projected to reach 303 by 2046. The structure is 62 ft (18.8 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFAS 423 / Ch 15
CrossesRileys Creek
Location.5MI S Powellton
RouteCounty Highway 0
Coordinates40.52743, -91.26909
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.1 US tons
Inventory rating40 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length62 ft (18.8 m)
Longest span59 ft (18 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2018)
Projected traffic303 by 2046
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 FAS 423 / Ch 15 over Rileys Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is FAS 423 / Ch 15 over Rileys Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2022.

How much traffic does FAS 423 / Ch 15 over Rileys Creek carry?

About 300 vehicles per day (2018 count), of which roughly 13% are trucks.

How long is FAS 423 / Ch 15 over Rileys Creek?

The structure is 62 ft (18.8 m) long with a longest span of 59 ft (18 m) and a deck 28 ft wide.

Who owns FAS 423 / Ch 15 over Rileys Creek?

It is owned by the County Highway Agency.