US Bridges

I-72 N FR Rd/Tr 32 over The Sny Slough

Good

Pike County, Illinois · 2M SW I-172 · Structure no. 075015600000000

Built
1998
27 years old
Condition
Good
inspected December 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
200 ft
2 main spans
Daily traffic
625
2024 count
Owner
State
State Highway Agency

About this bridge

I-72 N FR Rd/Tr 32 over The Sny Slough is a prestressed concrete continuous stringer/multi-beam or girder carrying I-72 N FR Rd/Tr 32 over The Sny Slough in Pike County, Illinois. It was built in 1998, so it is 27 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 625 vehicles a day, roughly 13% of them trucks, projected to reach 58 by 2046. The structure is 200 ft (61 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesI-72 N FR Rd/Tr 32
CrossesThe Sny Slough
Location2M SW I-172
Coordinates39.73501, -91.31586
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 protection8 Very GoodNo problems noted.
Last inspectionDecember 2021
Inspection intervalevery 48 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 alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45.3 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length200 ft (61 m)
Longest span98 ft (29.8 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic625 (2024)
Projected traffic58 by 2046
Trucks13%
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

OwnerState Highway Agency
Maintained byState 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 I-72 N FR Rd/Tr 32 over The Sny Slough built?

It was built in 1998, making it 27 years old in 2025.

What condition is I-72 N FR Rd/Tr 32 over The Sny Slough 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 December 2021.

How much traffic does I-72 N FR Rd/Tr 32 over The Sny Slough carry?

About 625 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is I-72 N FR Rd/Tr 32 over The Sny Slough?

The structure is 200 ft (61 m) long with a longest span of 98 ft (29.8 m) and a deck 31 ft wide.

Who owns I-72 N FR Rd/Tr 32 over The Sny Slough?

It is owned by the State Highway Agency.