US Bridges

Ninth ST over Drainage Channel

Good

Madison County, Illinois · 0.5 MI N Ill 143 · Structure no. 060901000000000

Built
1980
45 years old
Condition
Good
inspected January 2022
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
4,750
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ninth ST over Drainage Channel is a concrete culvert carrying Ninth ST over Drainage Channel in Madison County, Illinois. It was built in 1980, so it is 45 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 4,750 vehicles a day, roughly 3% of them trucks, projected to reach 5,083 by 2046. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNinth ST
CrossesDrainage Channel
Location0.5 MI N Ill 143
Coordinates38.87282, -90.08235
Functional classUrban Collector

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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.2 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 traffic4,750 (2021)
Projected traffic5,083 by 2046
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$996,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Ninth ST over Drainage Channel built?

It was built in 1980, making it 45 years old in 2025.

What condition is Ninth ST over Drainage Channel 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 Ninth ST over Drainage Channel carry?

About 4,750 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Ninth ST over Drainage Channel?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m).

Who owns Ninth ST over Drainage Channel?

It is owned by the City or Municipal Highway Agency.