US Bridges

Ch 33 Rocky Ford R over Green River

Good

Lee County, Illinois · 0.7 MI Ssw of Amboy · Structure no. 052351200000000

Built
2006
19 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
107 ft
1 main span
Daily traffic
500
2022 count
Owner
County
County Highway Agency

About this bridge

Ch 33 Rocky Ford R over Green River is a prestressed concrete stringer/multi-beam or girder carrying Ch 33 Rocky Ford R over Green River in Lee County, Illinois. It was built in 2006, so it is 19 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 500 vehicles a day, roughly 6% of them trucks, projected to reach 581 by 2046. The structure is 107 ft (32.5 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCh 33 Rocky Ford R
CrossesGreen River
Location0.7 MI Ssw of Amboy
RouteCounty Highway 0
Coordinates41.70295, -89.34583
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length107 ft (32.5 m)
Longest span107 ft (32.5 m)
Deck width36 ft (11 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2022)
Projected traffic581 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Ch 33 Rocky Ford R over Green River built?

It was built in 2006, making it 19 years old in 2025.

What condition is Ch 33 Rocky Ford R over Green River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

How much traffic does Ch 33 Rocky Ford R over Green River carry?

About 500 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Ch 33 Rocky Ford R over Green River?

The structure is 107 ft (32.5 m) long with a longest span of 107 ft (32.5 m) and a deck 36 ft wide.

Who owns Ch 33 Rocky Ford R over Green River?

It is owned by the County Highway Agency.