US Bridges

Il 255 - FAP 310 over Drains to Retention

Good

Madison County, Illinois · Just S of Il 111 · Structure no. 060203800000000

Built
2001
24 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
25,400
2024 count
Owner
State
State Highway Agency

About this bridge

Il 255 - FAP 310 over Drains to Retention is a concrete continuous culvert carrying Il 255 - FAP 310 over Drains to Retention in Madison County, Illinois. It was built in 2001, so it is 24 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 25,400 vehicles a day, roughly 9% of them trucks, projected to reach 24,610 by 2046. The structure is 23 ft (6.9 m) long. If it were closed, the detour would be 9.9 mi (16 km).

CarriesIl 255 - FAP 310
CrossesDrains to Retention
LocationJust S of Il 111
RouteState Highway 255
Coordinates38.86936, -90.05816
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating98.2 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (6.9 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 traffic25,400 (2024)
Projected traffic24,610 by 2046
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemYes

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 255 - FAP 310 over Drains to Retention built?

It was built in 2001, making it 24 years old in 2025.

What condition is Il 255 - FAP 310 over Drains to Retention 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 Il 255 - FAP 310 over Drains to Retention carry?

About 25,400 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is Il 255 - FAP 310 over Drains to Retention?

The structure is 23 ft (6.9 m) long with a longest span of 10 ft (3 m).

Who owns Il 255 - FAP 310 over Drains to Retention?

It is owned by the State Highway Agency.