US Bridges

Ill 3 NB over Palmer Rd/Palmer Crk

Fair

Monroe County, Illinois · 0.8 MI S of I-255 · Structure no. 067003200000000

Built
1984
41 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
381 ft
6 main spans
Daily traffic
30,200
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 3 NB over Palmer Rd/Palmer Crk is a steel continuous stringer/multi-beam or girder carrying Ill 3 NB over Palmer Rd/Palmer Crk in Monroe County, Illinois. It was built in 1984, so it is 41 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 30,200 vehicles a day, roughly 8% of them trucks, projected to reach 16,668 by 2046. The structure is 381 ft (116 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIll 3 NB
CrossesPalmer Rd/Palmer Crk
Location0.8 MI S of I-255
RouteState Highway 3
CountyMonroe County
StateIllinois
Coordinates38.46277, -90.22323
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 rating61.8 US tons
Inventory rating37.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length381 ft (116 m)
Longest span75 ft (22.9 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,200 (2023)
Projected traffic16,668 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 Ill 3 NB over Palmer Rd/Palmer Crk built?

It was built in 1984, making it 41 years old in 2025.

What condition is Ill 3 NB 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 Ill 3 NB over Palmer Rd/Palmer Crk carry?

About 30,200 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Ill 3 NB over Palmer Rd/Palmer Crk?

The structure is 381 ft (116 m) long with a longest span of 75 ft (22.9 m) and a deck 43 ft wide.

Who owns Ill 3 NB over Palmer Rd/Palmer Crk?

It is owned by the State Highway Agency.