US Bridges

Maryville RD/FAU91 over Drainage Ditch

Good

Madison County, Illinois · In Granitecity · Structure no. 060620000000000

Built
1976
49 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
52 ft
2 main spans
Daily traffic
3,250
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Maryville RD/FAU91 over Drainage Ditch is a concrete culvert carrying Maryville RD/FAU91 over Drainage Ditch in Madison County, Illinois. It was built in 1976, so it is 49 years old, older 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 3,250 vehicles a day, roughly 6% of them trucks, projected to reach 3,478 by 2046. The structure is 52 ft (16 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMaryville RD/FAU91
CrossesDrainage Ditch
LocationIn Granitecity
Coordinates38.70859, -90.10578
Functional classUrban 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.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 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 rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length52 ft (16 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,250 (2021)
Projected traffic3,478 by 2046
Trucks6%
Lanes on structure4
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Maryville RD/FAU91 over Drainage Ditch built?

It was built in 1976, making it 49 years old in 2025.

What condition is Maryville RD/FAU91 over Drainage Ditch 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 2023.

How much traffic does Maryville RD/FAU91 over Drainage Ditch carry?

About 3,250 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is Maryville RD/FAU91 over Drainage Ditch?

The structure is 52 ft (16 m) long with a longest span of 14 ft (4.3 m).

Who owns Maryville RD/FAU91 over Drainage Ditch?

It is owned by the City or Municipal Highway Agency.