US Bridges

Klatt St./Ms 7006 over Unnamed Trib Rob Roy

Good

Kendall County, Illinois · .5 Mi. S of Rt 34 · Structure no. 047640000000000

Built
2004
21 years old
Condition
Good
inspected July 2021
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
1,400
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Klatt St./Ms 7006 over Unnamed Trib Rob Roy is a concrete culvert carrying Klatt St./Ms 7006 over Unnamed Trib Rob Roy in Kendall County, Illinois. It was built in 2004, so it is 21 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 1,400 vehicles a day, roughly 6% of them trucks, projected to reach 1,862 by 2046. The structure is 29 ft (8.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesKlatt St./Ms 7006
CrossesUnnamed Trib Rob Roy
Location.5 Mi. S of Rt 34
RouteCity Street 0
Coordinates41.65538, -88.49882
Functional classUrban Local

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.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length29 ft (8.9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2024)
Projected traffic1,862 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Klatt St./Ms 7006 over Unnamed Trib Rob Roy built?

It was built in 2004, making it 21 years old in 2025.

What condition is Klatt St./Ms 7006 over Unnamed Trib Rob Roy 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 July 2021.

How much traffic does Klatt St./Ms 7006 over Unnamed Trib Rob Roy carry?

About 1,400 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Klatt St./Ms 7006 over Unnamed Trib Rob Roy?

The structure is 29 ft (8.9 m) long with a longest span of 12 ft (3.7 m).

Who owns Klatt St./Ms 7006 over Unnamed Trib Rob Roy?

It is owned by the City or Municipal Highway Agency.