US Bridges

Ramp to Il 3 SB over Palmer Crk Overflow

Good

Monroe County, Illinois · 0.8 MI S of I-255 · Structure no. 067200300000000

Built
1991
34 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
47 ft
4 main spans
Daily traffic
1,700
2024 count
Owner
State
State Highway Agency

About this bridge

Ramp to Il 3 SB over Palmer Crk Overflow is a concrete culvert carrying Ramp to Il 3 SB over Palmer Crk Overflow in Monroe County, Illinois. It was built in 1991, so it is 34 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 1,700 vehicles a day, roughly 7% of them trucks, projected to reach 1,526 by 2046. The structure is 47 ft (14.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRamp to Il 3 SB
CrossesPalmer Crk Overflow
Location0.8 MI S of I-255
Coordinates38.46274, -90.22437
Functional classUrban Other Principal 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 inspectionSeptember 2023
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 rating77.5 US tons
Inventory rating46.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length47 ft (14.4 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 traffic1,700 (2024)
Projected traffic1,526 by 2046
Trucks7%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Ramp to Il 3 SB over Palmer Crk Overflow built?

It was built in 1991, making it 34 years old in 2025.

What condition is Ramp to Il 3 SB over Palmer Crk Overflow 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 September 2023.

How much traffic does Ramp to Il 3 SB over Palmer Crk Overflow carry?

About 1,700 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Ramp to Il 3 SB over Palmer Crk Overflow?

The structure is 47 ft (14.4 m) long with a longest span of 10 ft (3 m).

Who owns Ramp to Il 3 SB over Palmer Crk Overflow?

It is owned by the State Highway Agency.