US Bridges

FAI-57 NB over Sugar Creek

Fair

Iroquois County, Illinois · 0.95 MI S Gilman Int · Structure no. 038000200000000

Built
1967
58 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
91 ft
3 main spans
Daily traffic
8,200
2023 count
Owner
State
State Highway Agency

About this bridge

FAI-57 NB over Sugar Creek is a concrete continuous slab carrying FAI-57 NB over Sugar Creek in Iroquois County, Illinois. It was built in 1967, so it is 58 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 5 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 8,200 vehicles a day, roughly 45% of them trucks, projected to reach 8,434 by 2046. The structure is 91 ft (27.7 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesFAI-57 NB
CrossesSugar Creek
Location0.95 MI S Gilman Int
RouteInterstate 57
CountyIroquois County
StateIllinois
Coordinates40.73764, -88.00863
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating38.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length91 ft (27.7 m)
Longest span33 ft (10.1 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,200 (2023)
Projected traffic8,434 by 2046
Trucks45%
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 FAI-57 NB over Sugar Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is FAI-57 NB over Sugar 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 January 2024.

How much traffic does FAI-57 NB over Sugar Creek carry?

About 8,200 vehicles per day (2023 count), of which roughly 45% are trucks.

How long is FAI-57 NB over Sugar Creek?

The structure is 91 ft (27.7 m) long with a longest span of 33 ft (10.1 m) and a deck 42 ft wide.

Who owns FAI-57 NB over Sugar Creek?

It is owned by the State Highway Agency.