US Bridges

TR118B/ROBBINS RD over Chamberlain Creek

Good

Lee County, Illinois · 3.5 MI W Frnkln Grov · Structure no. 052444900000000

Built
2015
10 years old
Condition
Good
inspected February 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
50
2017 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR118B/ROBBINS RD over Chamberlain Creek is a prestressed concrete box beam or girders - multiple carrying TR118B/ROBBINS RD over Chamberlain Creek in Lee County, Illinois. It was built in 2015, so it is 10 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 50 vehicles a day, projected to reach 51 by 2046. The structure is 40 ft (12.1 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesTR118B/ROBBINS RD
CrossesChamberlain Creek
Location3.5 MI W Frnkln Grov
RouteCounty Highway 0
CountyLee County
StateIllinois
Coordinates41.86477, -89.37076
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
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 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

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length40 ft (12.1 m)
Longest span37 ft (11.2 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2017)
Projected traffic51 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 TR118B/ROBBINS RD over Chamberlain Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is TR118B/ROBBINS RD over Chamberlain Creek 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 2025.

How much traffic does TR118B/ROBBINS RD over Chamberlain Creek carry?

About 50 vehicles per day (2017 count).

How long is TR118B/ROBBINS RD over Chamberlain Creek?

The structure is 40 ft (12.1 m) long with a longest span of 37 ft (11.2 m) and a deck 28 ft wide.

Who owns TR118B/ROBBINS RD over Chamberlain Creek?

It is owned by the Town or Township Highway Agency.