US Bridges

Snell RD (old Il 4 over Panther Creek

Good

Sangamon County, Illinois · .3M W IL4 N Auburn · Structure no. 084050200000000

Built
2002
23 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete Continuous
Length
60 ft
4 main spans
Daily traffic
150
2022 count
Owner
State
State Highway Agency

About this bridge

Snell RD (old Il 4 over Panther Creek is a concrete continuous culvert carrying Snell RD (old Il 4 over Panther Creek in Sangamon County, Illinois. It was built in 2002, so it is 23 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 150 vehicles a day, projected to reach 152 by 2046. The structure is 60 ft (18.4 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSnell RD (old Il 4
CrossesPanther Creek
Location.3M W IL4 N Auburn
RouteCounty Highway 0
CountySangamon County
StateIllinois
Coordinates39.61797, -89.74401
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.7 US tons
Inventory rating54.2 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20
Structure length60 ft (18.4 m)
Longest span14 ft (4.2 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2022)
Projected traffic152 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Snell RD (old Il 4 over Panther Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is Snell RD (old Il 4 over Panther 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 December 2024.

How much traffic does Snell RD (old Il 4 over Panther Creek carry?

About 150 vehicles per day (2022 count).

How long is Snell RD (old Il 4 over Panther Creek?

The structure is 60 ft (18.4 m) long with a longest span of 14 ft (4.2 m) and a deck 38 ft wide.

Who owns Snell RD (old Il 4 over Panther Creek?

It is owned by the State Highway Agency.