US Bridges

Ch 23 over Spoon Crk.

Poor

Morgan County, Illinois · 5 MI W. Woodson · Structure no. 069303000000000

Built
1963
62 years old
Condition
Poor
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
100 ft
3 main spans
Daily traffic
50
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Ch 23 over Spoon Crk. is a prestressed concrete box beam or girders - multiple carrying Ch 23 over Spoon Crk. in Morgan County, Illinois. It was built in 1963, so it is 62 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. Its operating status is: open, posting recommended but not legally implemented.

It carries about 50 vehicles a day, roughly 20% of them trucks, projected to reach 51 by 2046. The structure is 100 ft (30.5 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCh 23
CrossesSpoon Crk.
Location5 MI W. Woodson
RouteCounty Highway 0
Coordinates39.62746, -90.29127
Functional classRural Local

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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, posting recommended but not legally implemented
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.8 US tons
Inventory rating0 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadUnknown
Structure length100 ft (30.5 m)
Longest span40 ft (12.2 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic51 by 2046
Trucks20%
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

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 23 over Spoon Crk. built?

It was built in 1963, making it 62 years old in 2025.

What condition is Ch 23 over Spoon Crk. 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 November 2023.

How much traffic does Ch 23 over Spoon Crk. carry?

About 50 vehicles per day (2024 count), of which roughly 20% are trucks.

How long is Ch 23 over Spoon Crk.?

The structure is 100 ft (30.5 m) long with a longest span of 40 ft (12.2 m) and a deck 24 ft wide.

Who owns Ch 23 over Spoon Crk.?

It is owned by the Town or Township Highway Agency.