US Bridges

C.H. 1 over Piney Branch

Poor

Jackson County, Illinois · N Line Sec 26-7-5 · Structure no. 039312500000000

Built
1977
48 years old
Condition
Poor
inspected October 2024
Type
Channel Beam
Concrete
Length
40 ft
1 main span
Daily traffic
225
2022 count
Owner
County
County Highway Agency

About this bridge

C.H. 1 over Piney Branch is a concrete channel beam carrying C.H. 1 over Piney Branch in Jackson County, Illinois. It was built in 1977, so it is 48 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 225 vehicles a day, roughly 27% of them trucks, projected to reach 126 by 2046. The structure is 40 ft (12.2 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesC.H. 1
CrossesPiney Branch
LocationN Line Sec 26-7-5
RouteCounty Highway 0
CountyJackson County
StateIllinois
Coordinates37.8945, -89.62342
Functional classRural Minor 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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60 US tons
Inventory rating35.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span39 ft (11.9 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2022)
Projected traffic126 by 2046
Trucks27%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 C.H. 1 over Piney Branch built?

It was built in 1977, making it 48 years old in 2025.

What condition is C.H. 1 over Piney Branch 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 October 2024.

How much traffic does C.H. 1 over Piney Branch carry?

About 225 vehicles per day (2022 count), of which roughly 27% are trucks.

How long is C.H. 1 over Piney Branch?

The structure is 40 ft (12.2 m) long with a longest span of 39 ft (11.9 m) and a deck 26 ft wide.

Who owns C.H. 1 over Piney Branch?

It is owned by the County Highway Agency.