US Bridges

Grove RD FAS 1259 over Aux Sable CR Br

Good

Kendall County, Illinois · Sec 29/30 Seward Twp · Structure no. 047318300000000

Built
2020
5 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
1,000
2024 count
Owner
County
County Highway Agency

About this bridge

Grove RD FAS 1259 over Aux Sable CR Br is a concrete culvert carrying Grove RD FAS 1259 over Aux Sable CR Br in Kendall County, Illinois. It was built in 2020, so it is 5 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,000 vehicles a day, roughly 25% of them trucks, projected to reach 798 by 2046. The structure is 27 ft (8.2 m) long and 70 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesGrove RD FAS 1259
CrossesAux Sable CR Br
LocationSec 29/30 Seward Twp
Coordinates41.48124, -88.34942
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating46.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length27 ft (8.2 m)
Longest span12 ft (3.7 m)
Deck width70 ft (21.3 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2024)
Projected traffic798 by 2046
Trucks25%
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

OwnerCounty Highway Agency
Maintained byCounty 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 Grove RD FAS 1259 over Aux Sable CR Br built?

It was built in 2020, making it 5 years old in 2025.

What condition is Grove RD FAS 1259 over Aux Sable CR Br 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 2024.

How much traffic does Grove RD FAS 1259 over Aux Sable CR Br carry?

About 1,000 vehicles per day (2024 count), of which roughly 25% are trucks.

How long is Grove RD FAS 1259 over Aux Sable CR Br?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m) and a deck 70 ft wide.

Who owns Grove RD FAS 1259 over Aux Sable CR Br?

It is owned by the County Highway Agency.