US Bridges

Bl 55 (nb) over Fancy Creek

Fair

Sangamon County, Illinois · .9M N Sherman Intchg · Structure no. 084003100000000

Built
1953
72 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete Continuous
Length
88 ft
3 main spans
Daily traffic
4,450
2023 count
Owner
State
State Highway Agency

About this bridge

Bl 55 (nb) over Fancy Creek is a concrete continuous slab carrying Bl 55 (nb) over Fancy Creek in Sangamon County, Illinois. It was built in 1953, so it is 72 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 4,450 vehicles a day, roughly 8% of them trucks, projected to reach 4,747 by 2046. The structure is 88 ft (26.7 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesBl 55 (nb)
CrossesFancy Creek
Location.9M N Sherman Intchg
RouteInterstate 55
Coordinates39.91341, -89.58572
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating38.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3 (+3 approach)
Design loadHS 20
Structure length88 ft (26.7 m)
Longest span33 ft (10.1 m)
Deck width34 ft (10.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,450 (2023)
Projected traffic4,747 by 2046
Trucks8%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$600,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Bl 55 (nb) over Fancy Creek built?

It was built in 1953, making it 72 years old in 2025.

What condition is Bl 55 (nb) over Fancy Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.

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

About 4,450 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Bl 55 (nb) over Fancy Creek?

The structure is 88 ft (26.7 m) long with a longest span of 33 ft (10.1 m) and a deck 34 ft wide.

Who owns Bl 55 (nb) over Fancy Creek?

It is owned by the State Highway Agency.