US Bridges

Ill 16 over Coop CR Branch

Fair

Macoupin County, Illinois · 0.6MI W Shipman · Structure no. 059200900000000

Built
1932
93 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
2,200
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 16 over Coop CR Branch is a concrete culvert carrying Ill 16 over Coop CR Branch in Macoupin County, Illinois. It was built in 1932, so it is 93 years old, older 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 2,200 vehicles a day, roughly 13% of them trucks, projected to reach 2,677 by 2046. The structure is 22 ft (6.8 m) long. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesIll 16
CrossesCoop CR Branch
Location0.6MI W Shipman
RouteState Highway 16
CountyMacoupin County
StateIllinois
Coordinates39.11686, -90.06596
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 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
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating98.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length22 ft (6.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,200 (2023)
Projected traffic2,677 by 2046
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
TollOn a free road
National Highway SystemYes

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 Ill 16 over Coop CR Branch built?

It was built in 1932, making it 93 years old in 2025.

What condition is Ill 16 over Coop CR Branch 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 April 2024.

How much traffic does Ill 16 over Coop CR Branch carry?

About 2,200 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is Ill 16 over Coop CR Branch?

The structure is 22 ft (6.8 m) long with a longest span of 10 ft (3 m).

Who owns Ill 16 over Coop CR Branch?

It is owned by the State Highway Agency.