US Bridges

Pine Bluff RD CH-2 over Mazon River

Fair

Grundy County, Illinois · 0.12 MI W of TR 45 · Structure no. 032310100000000

Built
2010
15 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
222 ft
3 main spans
Daily traffic
4,700
2024 count
Owner
County
County Highway Agency

About this bridge

Pine Bluff RD CH-2 over Mazon River is a steel continuous stringer/multi-beam or girder carrying Pine Bluff RD CH-2 over Mazon River in Grundy County, Illinois. It was built in 2010, so it is 15 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 5 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 4,700 vehicles a day, roughly 7% of them trucks, projected to reach 5,520 by 2046. The structure is 222 ft (67.8 m) long and 36 ft wide.

Location

Open in Google Maps
CarriesPine Bluff RD CH-2
CrossesMazon River
Location0.12 MI W of TR 45
RouteCounty Highway 0
CountyGrundy County
StateIllinois
Coordinates41.34419, -88.37802
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating98.2 US tons
Inventory rating64.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+3 approach)
Design loadHS 25 or greater
Structure length222 ft (67.8 m)
Longest span82 ft (25 m)
Deck width36 ft (11 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,700 (2024)
Projected traffic5,520 by 2046
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Pine Bluff RD CH-2 over Mazon River built?

It was built in 2010, making it 15 years old in 2025.

What condition is Pine Bluff RD CH-2 over Mazon 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 2024.

How much traffic does Pine Bluff RD CH-2 over Mazon River carry?

About 4,700 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Pine Bluff RD CH-2 over Mazon River?

The structure is 222 ft (67.8 m) long with a longest span of 82 ft (25 m) and a deck 36 ft wide.

Who owns Pine Bluff RD CH-2 over Mazon River?

It is owned by the County Highway Agency.