US Bridges

MSS6100 over Trib to Sugar Ck

Good

Clinton County, Illinois · 1MI N of Avistion · Structure no. 014610300000000

Built
2003
22 years old
Condition
Good
inspected January 2023
Type
Culvert
Concrete
Length
38 ft
3 main spans
Daily traffic
1,000
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

MSS6100 over Trib to Sugar Ck is a concrete culvert carrying MSS6100 over Trib to Sugar Ck in Clinton 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 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 7% of them trucks, projected to reach 1,100 by 2046. The structure is 38 ft (11.6 m) long and 33 ft wide.

CarriesMSS6100
CrossesTrib to Sugar Ck
Location1MI N of Avistion
RouteCity Street 0
Coordinates38.6238, -89.6129
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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJanuary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to 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
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span10 ft (3 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2020)
Projected traffic1,100 by 2046
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 MSS6100 over Trib to Sugar Ck built?

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

What condition is MSS6100 over Trib to Sugar Ck 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 January 2023.

How much traffic does MSS6100 over Trib to Sugar Ck carry?

About 1,000 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is MSS6100 over Trib to Sugar Ck?

The structure is 38 ft (11.6 m) long with a longest span of 10 ft (3 m) and a deck 33 ft wide.

Who owns MSS6100 over Trib to Sugar Ck?

It is owned by the City or Municipal Highway Agency.