US Bridges

TR 03 over Rock Creek

Fair

Kankakee County, Illinois · 6.5 MI NW Manteno · Structure no. 046305500000000

Built
1966
59 years old
Condition
Fair
inspected June 2024
Type
Channel Beam
Concrete
Length
24 ft
1 main span
Daily traffic
50
2021 count
Owner
County
County Highway Agency

About this bridge

TR 03 over Rock Creek is a concrete channel beam carrying TR 03 over Rock Creek in Kankakee County, Illinois. It was built in 1966, so it is 59 years old, older 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 50 vehicles a day, projected to reach 51 by 2046. The structure is 24 ft (7.3 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTR 03
CrossesRock Creek
Location6.5 MI NW Manteno
RouteCounty Highway 0
Coordinates41.29454, -87.88824
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating54.2 US tons
Inventory rating32.5 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 15
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width27 ft (8.1 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2021)
Projected traffic51 by 2046
Trucks0%
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 TR 03 over Rock Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is TR 03 over Rock Creek 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 June 2024.

How much traffic does TR 03 over Rock Creek carry?

About 50 vehicles per day (2021 count).

How long is TR 03 over Rock Creek?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 27 ft wide.

Who owns TR 03 over Rock Creek?

It is owned by the County Highway Agency.