US Bridges

I-55 (nb) over Fancy Creek

Good

Sangamon County, Illinois · 1M N Sherman Intchg · Structure no. 084002200000000

Built
1962
63 years old, rebuilt 1993
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
151 ft
3 main spans
Daily traffic
14,600
2023 count
Owner
State
State Highway Agency

About this bridge

I-55 (nb) over Fancy Creek is a steel continuous stringer/multi-beam or girder carrying I-55 (nb) over Fancy Creek in Sangamon County, Illinois. It was built in 1962 and reconstructed in 1993, so it is 63 years old, older 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 14,600 vehicles a day, roughly 31% of them trucks, projected to reach 13,787 by 2046. The structure is 151 ft (45.9 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-55 (nb)
CrossesFancy Creek
Location1M N Sherman Intchg
RouteInterstate 55
Coordinates39.91476, -89.58721
Functional classUrban Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.3 US tons
Inventory rating51 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length151 ft (45.9 m)
Longest span54 ft (16.5 m)
Deck width48 ft (14.5 m)
Roadway width45 ft (13.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,600 (2023)
Projected traffic13,787 by 2046
Trucks31%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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-55 (nb) over Fancy Creek built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1993.

What condition is I-55 (nb) over Fancy 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 October 2024.

How much traffic does I-55 (nb) over Fancy Creek carry?

About 14,600 vehicles per day (2023 count), of which roughly 31% are trucks.

How long is I-55 (nb) over Fancy Creek?

The structure is 151 ft (45.9 m) long with a longest span of 54 ft (16.5 m) and a deck 48 ft wide.

Who owns I-55 (nb) over Fancy Creek?

It is owned by the State Highway Agency.