US Bridges

FAU1555/BRISTOL Ri over Blackberry Creek

Good

Kendall County, Illinois · .25 MI NW Kennedy RD · Structure no. 047316000000000

Built
2003
22 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
155 ft
2 main spans
Daily traffic
1,500
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU1555/BRISTOL Ri over Blackberry Creek is a steel continuous stringer/multi-beam or girder carrying FAU1555/BRISTOL Ri over Blackberry Creek in Kendall County, Illinois. It was built in 2003, so it is 22 years old, younger 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 1,500 vehicles a day, roughly 7% of them trucks, projected to reach 1,929 by 2046. The structure is 155 ft (47.1 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesFAU1555/BRISTOL Ri
CrossesBlackberry Creek
Location.25 MI NW Kennedy RD
CountyKendall County
StateIllinois
Coordinates41.68216, -88.41363
Functional classUrban 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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
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 rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length155 ft (47.1 m)
Longest span76 ft (23.2 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2024)
Projected traffic1,929 by 2046
Trucks7%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU1555/BRISTOL Ri over Blackberry Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is FAU1555/BRISTOL Ri over Blackberry 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 August 2023.

How much traffic does FAU1555/BRISTOL Ri over Blackberry Creek carry?

About 1,500 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is FAU1555/BRISTOL Ri over Blackberry Creek?

The structure is 155 ft (47.1 m) long with a longest span of 76 ft (23.2 m) and a deck 33 ft wide.

Who owns FAU1555/BRISTOL Ri over Blackberry Creek?

It is owned by the City or Municipal Highway Agency.