US Bridges

IL3NB->255WB Rmp E over 255SB->IL3SB Ramp B

Fair

Monroe County, Illinois · North of Columbia · Structure no. 067002900000000

Built
1982
43 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
153 ft
1 main span
Daily traffic
36,900
2024 count
Owner
State
State Highway Agency

About this bridge

IL3NB->255WB Rmp E over 255SB->IL3SB Ramp B is a steel stringer/multi-beam or girder carrying IL3NB->255WB Rmp E over 255SB->IL3SB Ramp B in Monroe County, Illinois. It was built in 1982, so it is 43 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 14,125 by 2046. The structure is 153 ft (46.5 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIL3NB->255WB Rmp E
Crosses255SB->IL3SB Ramp B
LocationNorth of Columbia
RouteState Highway 3
CountyMonroe County
StateIllinois
Coordinates38.47258, -90.22654
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.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.5 US tons
Inventory rating46.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20 + Mod
Structure length153 ft (46.5 m)
Longest span152 ft (46.3 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,900 (2024)
Projected traffic14,125 by 2046
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$826,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was IL3NB->255WB Rmp E over 255SB->IL3SB Ramp B built?

It was built in 1982, making it 43 years old in 2025.

What condition is IL3NB->255WB Rmp E over 255SB->IL3SB Ramp B 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 January 2025.

How much traffic does IL3NB->255WB Rmp E over 255SB->IL3SB Ramp B carry?

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

How long is IL3NB->255WB Rmp E over 255SB->IL3SB Ramp B?

The structure is 153 ft (46.5 m) long with a longest span of 152 ft (46.3 m) and a deck 43 ft wide.

Who owns IL3NB->255WB Rmp E over 255SB->IL3SB Ramp B?

It is owned by the State Highway Agency.