US Bridges

Ch 12-TAMPICO RD over Green Riv Drainage

Good

Lee County, Illinois · 6.5 MI SW of Harmon · Structure no. 052337100000000

Built
2013
12 years old
Condition
Good
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
35 ft
1 main span
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

Ch 12-TAMPICO RD over Green Riv Drainage is a prestressed concrete box beam or girders - multiple carrying Ch 12-TAMPICO RD over Green Riv Drainage in Lee County, Illinois. It was built in 2013, so it is 12 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 22% of them trucks, projected to reach 76 by 2046. The structure is 35 ft (10.6 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCh 12-TAMPICO RD
CrossesGreen Riv Drainage
Location6.5 MI SW of Harmon
RouteCounty Highway 0
Coordinates41.62849, -89.60798
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length35 ft (10.6 m)
Longest span32 ft (9.8 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic76 by 2046
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ch 12-TAMPICO RD over Green Riv Drainage built?

It was built in 2013, making it 12 years old in 2025.

What condition is Ch 12-TAMPICO RD over Green Riv Drainage 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 February 2024.

How much traffic does Ch 12-TAMPICO RD over Green Riv Drainage carry?

About 100 vehicles per day (2022 count), of which roughly 22% are trucks.

How long is Ch 12-TAMPICO RD over Green Riv Drainage?

The structure is 35 ft (10.6 m) long with a longest span of 32 ft (9.8 m) and a deck 28 ft wide.

Who owns Ch 12-TAMPICO RD over Green Riv Drainage?

It is owned by the County Highway Agency.