US Bridges

Il 3 SB over Palmer Rd/Palmer Crk

Fair

Monroe County, Illinois · 0.8 MI S of I-255 · Structure no. 067003800000000

Built
1991
34 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
388 ft
4 main spans
Daily traffic
36,900
2024 count
Owner
State
State Highway Agency

About this bridge

Il 3 SB over Palmer Rd/Palmer Crk is a steel continuous stringer/multi-beam or girder carrying Il 3 SB over Palmer Rd/Palmer Crk 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 36,900 vehicles a day, roughly 8% of them trucks, projected to reach 20,058 by 2046. The structure is 388 ft (118.2 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIl 3 SB
CrossesPalmer Rd/Palmer Crk
Location0.8 MI S of I-255
RouteState Highway 3
CountyMonroe County
StateIllinois
Coordinates38.46304, -90.22334
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating42.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length388 ft (118.2 m)
Longest span110 ft (33.5 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,900 (2024)
Projected traffic20,058 by 2046
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway and waterway
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 Il 3 SB over Palmer Rd/Palmer Crk built?

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

What condition is Il 3 SB over Palmer Rd/Palmer Crk in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.

How much traffic does Il 3 SB over Palmer Rd/Palmer Crk carry?

About 36,900 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Il 3 SB over Palmer Rd/Palmer Crk?

The structure is 388 ft (118.2 m) long with a longest span of 110 ft (33.5 m) and a deck 43 ft wide.

Who owns Il 3 SB over Palmer Rd/Palmer Crk?

It is owned by the State Highway Agency.