US Bridges

Ill Route 26 over Green River

Fair

Lee County, Illinois · 2.5 MI S Amboy RD · Structure no. 052008100000000

Built
2012
13 years old
Condition
Fair
inspected October 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
160 ft
3 main spans
Daily traffic
1,500
2023 count
Owner
State
State Highway Agency

About this bridge

Ill Route 26 over Green River is a steel continuous stringer/multi-beam or girder carrying Ill Route 26 over Green River in Lee County, Illinois. It was built in 2012, so it is 13 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 1,500 vehicles a day, roughly 23% of them trucks, projected to reach 1,566 by 2046. The structure is 160 ft (48.9 m) long and 43 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesIll Route 26
CrossesGreen River
Location2.5 MI S Amboy RD
RouteState Highway 26
CountyLee County
StateIllinois
Coordinates41.67058, -89.45936
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.5 US tons
Inventory rating56.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length160 ft (48.9 m)
Longest span70 ft (21.3 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2023)
Projected traffic1,566 by 2046
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 Route 26 over Green River built?

It was built in 2012, making it 13 years old in 2025.

What condition is Ill Route 26 over Green River 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 October 2022.

How much traffic does Ill Route 26 over Green River carry?

About 1,500 vehicles per day (2023 count), of which roughly 23% are trucks.

How long is Ill Route 26 over Green River?

The structure is 160 ft (48.9 m) long with a longest span of 70 ft (21.3 m) and a deck 43 ft wide.

Who owns Ill Route 26 over Green River?

It is owned by the State Highway Agency.