US Bridges

Ch 12 over Stream

Poor

Piatt County, Illinois · 3.2 MI SE Cerro Gord · Structure no. 074315200000000

Built
1939
86 years old
Condition
Poor
inspected January 2025
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
250
2023 count
Owner
County
County Highway Agency

About this bridge

Ch 12 over Stream is a concrete culvert carrying Ch 12 over Stream in Piatt County, Illinois. It was built in 1939, so it is 86 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 250 vehicles a day, roughly 10% of them trucks, projected to reach 202 by 2046. The structure is 24 ft (7.3 m) long and 36 ft wide.

Location

Open in Google Maps
CarriesCh 12
CrossesStream
Location3.2 MI SE Cerro Gord
RouteCounty Highway 0
CountyPiatt County
StateIllinois
Coordinates39.85046, -88.7086
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span10 ft (3.2 m)
Deck width36 ft (11 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2023)
Projected traffic202 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Ch 12 over Stream built?

It was built in 1939, making it 86 years old in 2025.

What condition is Ch 12 over Stream in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2025.

How much traffic does Ch 12 over Stream carry?

About 250 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Ch 12 over Stream?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3.2 m) and a deck 36 ft wide.

Who owns Ch 12 over Stream?

It is owned by the County Highway Agency.