US Bridges

Sbi 16 over Riley Creek

Fair

Coles County, Illinois · 3.0 MI W Charleston · Structure no. 015006800000000

Built
1982
43 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
84 ft
1 main span
Daily traffic
3,550
2024 count
Owner
State
State Highway Agency

About this bridge

Sbi 16 over Riley Creek is a prestressed concrete box beam or girders - multiple carrying Sbi 16 over Riley Creek in Coles County, Illinois. It was built in 1982, so it is 43 years old, younger 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 3,550 vehicles a day, roughly 15% of them trucks, projected to reach 3,384 by 2046. The structure is 84 ft (25.6 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSbi 16
CrossesRiley Creek
Location3.0 MI W Charleston
RouteCounty Highway 0
CountyColes County
StateIllinois
Coordinates39.50682, -88.25278
Functional classRural Minor 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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.3 US tons
Inventory rating46.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length84 ft (25.6 m)
Longest span81 ft (24.7 m)
Deck width33 ft (10.2 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,550 (2024)
Projected traffic3,384 by 2046
Trucks15%
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

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 Sbi 16 over Riley Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is Sbi 16 over Riley 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 October 2024.

How much traffic does Sbi 16 over Riley Creek carry?

About 3,550 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is Sbi 16 over Riley Creek?

The structure is 84 ft (25.6 m) long with a longest span of 81 ft (24.7 m) and a deck 33 ft wide.

Who owns Sbi 16 over Riley Creek?

It is owned by the State Highway Agency.