US Bridges

Ill 127 & Ill 146 over Green CR Trib

Fair

Union County, Illinois · 0.2 MI E Ill 127 · Structure no. 091202600000000

Built
2004
21 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
39 ft
3 main spans
Daily traffic
5,000
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 127 & Ill 146 over Green CR Trib is a concrete culvert carrying Ill 127 & Ill 146 over Green CR Trib in Union County, Illinois. It was built in 2004, so it is 21 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 5,000 vehicles a day, roughly 11% of them trucks, projected to reach 5,252 by 2046. The structure is 39 ft (12 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesIll 127 & Ill 146
CrossesGreen CR Trib
Location0.2 MI E Ill 127
RouteState Highway 127
Coordinates37.46736, -89.30387
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.9 US tons
Inventory rating40.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length39 ft (12 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2023)
Projected traffic5,252 by 2046
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 127 & Ill 146 over Green CR Trib built?

It was built in 2004, making it 21 years old in 2025.

What condition is Ill 127 & Ill 146 over Green CR Trib 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 2024.

How much traffic does Ill 127 & Ill 146 over Green CR Trib carry?

About 5,000 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is Ill 127 & Ill 146 over Green CR Trib?

The structure is 39 ft (12 m) long with a longest span of 12 ft (3.7 m).

Who owns Ill 127 & Ill 146 over Green CR Trib?

It is owned by the State Highway Agency.