US Bridges

US RTE 6 over Drainage

Good

Henry County, Illinois · .17MI W Potters Brdg · Structure no. 037119200000000

Built
2014
11 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
3,100
2023 count
Owner
State
State Highway Agency

About this bridge

US RTE 6 over Drainage is a concrete culvert carrying US RTE 6 over Drainage in Henry County, Illinois. It was built in 2014, so it is 11 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 8 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 3% of them trucks, projected to reach 3,456 by 2046. The structure is 25 ft (7.7 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS RTE 6
CrossesDrainage
Location.17MI W Potters Brdg
RouteU.S. Route 6
Coordinates41.45449, -90.26213
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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length25 ft (7.7 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,100 (2023)
Projected traffic3,456 by 2046
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 US RTE 6 over Drainage built?

It was built in 2014, making it 11 years old in 2025.

What condition is US RTE 6 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 November 2024.

How much traffic does US RTE 6 over Drainage carry?

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

How long is US RTE 6 over Drainage?

The structure is 25 ft (7.7 m) long with a longest span of 12 ft (3.7 m).

Who owns US RTE 6 over Drainage?

It is owned by the State Highway Agency.