US Bridges

Scully RD TR 165A over Trib E Fork Mazon Rv

Good

Grundy County, Illinois · .84 MI E Gorman RD · Structure no. 032572500000000

Built
1993
32 years old
Condition
Good
inspected October 2022
Type
Slab
Concrete
Length
106 ft
3 main spans
Daily traffic
50
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Scully RD TR 165A over Trib E Fork Mazon Rv is a concrete slab carrying Scully RD TR 165A over Trib E Fork Mazon Rv in Grundy County, Illinois. It was built in 1993, so it is 32 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 50 vehicles a day, roughly 20% of them trucks, projected to reach 60 by 2046. The structure is 106 ft (32.4 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesScully RD TR 165A
CrossesTrib E Fork Mazon Rv
Location.84 MI E Gorman RD
RouteCounty Highway 0
Coordinates41.12633, -88.35229
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating37.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length106 ft (32.4 m)
Longest span36 ft (10.9 m)
Deck width26 ft (8 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic60 by 2046
Trucks20%
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

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Scully RD TR 165A over Trib E Fork Mazon Rv built?

It was built in 1993, making it 32 years old in 2025.

What condition is Scully RD TR 165A over Trib E Fork Mazon Rv 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 October 2022.

How much traffic does Scully RD TR 165A over Trib E Fork Mazon Rv carry?

About 50 vehicles per day (2024 count), of which roughly 20% are trucks.

How long is Scully RD TR 165A over Trib E Fork Mazon Rv?

The structure is 106 ft (32.4 m) long with a longest span of 36 ft (10.9 m) and a deck 26 ft wide.

Who owns Scully RD TR 165A over Trib E Fork Mazon Rv?

It is owned by the Town or Township Highway Agency.