US Bridges

I-55 W Fr/W Outer over Fancy Creek

Good

Sangamon County, Illinois · 1M N Sherman Intchg · Structure no. 084002500000000

Built
1959
66 years old, rebuilt 2008
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
150 ft
3 main spans
Daily traffic
950
2022 count
Owner
State
State Highway Agency

About this bridge

I-55 W Fr/W Outer over Fancy Creek is a steel continuous stringer/multi-beam or girder carrying I-55 W Fr/W Outer over Fancy Creek in Sangamon County, Illinois. It was built in 1959 and reconstructed in 2008, so it is 66 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 950 vehicles a day, roughly 9% of them trucks, projected to reach 960 by 2046. The structure is 150 ft (45.8 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesI-55 W Fr/W Outer
CrossesFancy Creek
Location1M N Sherman Intchg
Coordinates39.91489, -89.58839
Functional classRural Minor Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum 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 rating78.9 US tons
Inventory rating47.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length150 ft (45.8 m)
Longest span54 ft (16.5 m)
Deck width32 ft (9.7 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic950 (2022)
Projected traffic960 by 2046
Trucks9%
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-55 W Fr/W Outer over Fancy Creek built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2008.

What condition is I-55 W Fr/W Outer 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 September 2024.

How much traffic does I-55 W Fr/W Outer over Fancy Creek carry?

About 950 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is I-55 W Fr/W Outer over Fancy Creek?

The structure is 150 ft (45.8 m) long with a longest span of 54 ft (16.5 m) and a deck 32 ft wide.

Who owns I-55 W Fr/W Outer over Fancy Creek?

It is owned by the State Highway Agency.