US Bridges

Il 72 over Drainage

Good

Carroll County, Illinois · 0.14 MI E Gold Mine · Structure no. 008109100000000

Built
2007
18 years old
Condition
Good
inspected January 2022
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
3,100
2023 count
Owner
State
State Highway Agency

About this bridge

Il 72 over Drainage is a concrete culvert carrying Il 72 over Drainage in Carroll County, Illinois. It was built in 2007, so it is 18 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,100 vehicles a day, roughly 15% of them trucks, projected to reach 2,778 by 2046. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 8.7 mi (14 km).

CarriesIl 72
CrossesDrainage
Location0.14 MI E Gold Mine
RouteState Highway 72
Coordinates42.15528, -89.70347
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length22 ft (6.7 m)
Longest span10 ft (3.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,100 (2023)
Projected traffic2,778 by 2046
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Il 72 over Drainage built?

It was built in 2007, making it 18 years old in 2025.

What condition is Il 72 over Drainage in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2022.

How much traffic does Il 72 over Drainage carry?

About 3,100 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is Il 72 over Drainage?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3.2 m).

Who owns Il 72 over Drainage?

It is owned by the State Highway Agency.