US Bridges

Lutz Rd/Ms 6100 over Trib to Mazon River

Good

Grundy County, Illinois · 0.12 MI N/Gardner RD · Structure no. 032575000000000

Built
1997
28 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
75
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lutz Rd/Ms 6100 over Trib to Mazon River is a concrete culvert carrying Lutz Rd/Ms 6100 over Trib to Mazon River in Grundy County, Illinois. It was built in 1997, so it is 28 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 75 vehicles a day, projected to reach 90 by 2046. The structure is 30 ft (9.2 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLutz Rd/Ms 6100
CrossesTrib to Mazon River
Location0.12 MI N/Gardner RD
RouteCity Street 0
Coordinates41.18662, -88.32612
Functional classRural 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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.2 US tons
Inventory rating31.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length30 ft (9.2 m)
Longest span15 ft (4.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2024)
Projected traffic90 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Lutz Rd/Ms 6100 over Trib to Mazon River built?

It was built in 1997, making it 28 years old in 2025.

What condition is Lutz Rd/Ms 6100 over Trib to Mazon River 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 October 2024.

How much traffic does Lutz Rd/Ms 6100 over Trib to Mazon River carry?

About 75 vehicles per day (2024 count).

How long is Lutz Rd/Ms 6100 over Trib to Mazon River?

The structure is 30 ft (9.2 m) long with a longest span of 15 ft (4.5 m).

Who owns Lutz Rd/Ms 6100 over Trib to Mazon River?

It is owned by the City or Municipal Highway Agency.