US Bridges

N 6th St. - FAU 93 over Drains to Silver Crk

Good

St. Clair County, Illinois · 0.6 Miles N Il 177 · Structure no. 082204700000000

Built
1962
63 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
1,200
2023 count
Owner
State
State Highway Agency

About this bridge

N 6th St. - FAU 93 over Drains to Silver Crk is a concrete continuous culvert carrying N 6th St. - FAU 93 over Drains to Silver Crk in St. Clair County, Illinois. It was built in 1962, so it is 63 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 1,200 vehicles a day, roughly 5% of them trucks, projected to reach 1,364 by 2046. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesN 6th St. - FAU 93
CrossesDrains to Silver Crk
Location0.6 Miles N Il 177
Coordinates38.4999, -89.80676
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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.2 US tons
Inventory rating28.2 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 20
Structure length22 ft (6.7 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 traffic1,200 (2023)
Projected traffic1,364 by 2046
Trucks5%
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

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 N 6th St. - FAU 93 over Drains to Silver Crk built?

It was built in 1962, making it 63 years old in 2025.

What condition is N 6th St. - FAU 93 over Drains to Silver Crk 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 July 2024.

How much traffic does N 6th St. - FAU 93 over Drains to Silver Crk carry?

About 1,200 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is N 6th St. - FAU 93 over Drains to Silver Crk?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns N 6th St. - FAU 93 over Drains to Silver Crk?

It is owned by the State Highway Agency.