US Bridges

Cottage AVE/FAU638 over Sugar Creek

Fair

McLean County, Illinois · 1.5 MI NW 51 & 9 · Structure no. 057530200000000

Built
1968
57 years old
Condition
Fair
inspected February 2023
Type
Slab
Concrete Continuous
Length
102 ft
3 main spans
Daily traffic
3,750
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Cottage AVE/FAU638 over Sugar Creek is a concrete continuous slab carrying Cottage AVE/FAU638 over Sugar Creek in McLean County, Illinois. It was built in 1968, so it is 57 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 3,750 vehicles a day, roughly 3% of them trucks, projected to reach 3,283 by 2046. The structure is 102 ft (31 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCottage AVE/FAU638
CrossesSugar Creek
Location1.5 MI NW 51 & 9
CountyMcLean County
StateIllinois
Coordinates40.49414, -89.01087
Functional classUrban Collector

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 inspectionFebruary 2023
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.4 US tons
Inventory rating24.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length102 ft (31 m)
Longest span39 ft (11.9 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,750 (2024)
Projected traffic3,283 by 2046
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$462,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Cottage AVE/FAU638 over Sugar Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is Cottage AVE/FAU638 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 February 2023.

How much traffic does Cottage AVE/FAU638 over Sugar Creek carry?

About 3,750 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Cottage AVE/FAU638 over Sugar Creek?

The structure is 102 ft (31 m) long with a longest span of 39 ft (11.9 m) and a deck 28 ft wide.

Who owns Cottage AVE/FAU638 over Sugar Creek?

It is owned by the City or Municipal Highway Agency.