US Bridges

Mill Road over Trib to Sugar Creek

Good

Clinton County, Illinois · .5 MI So.Of Trenton · Structure no. 014405300000000

Built
2007
18 years old
Condition
Good
inspected January 2025
Type
Frame
Concrete
Length
26 ft
1 main span
Daily traffic
650
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Mill Road over Trib to Sugar Creek is a concrete frame carrying Mill Road over Trib to Sugar Creek in Clinton County, Illinois. It was built in 2007, so it is 18 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 650 vehicles a day, roughly 11% of them trucks, projected to reach 715 by 2046. The structure is 26 ft (7.8 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMill Road
CrossesTrib to Sugar Creek
Location.5 MI So.Of Trenton
RouteCounty Highway 0
Coordinates38.59352, -89.67953
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckOther
Main spans1
Design loadHS 20
Structure length26 ft (7.8 m)
Longest span25 ft (7.6 m)
Deck width39 ft (11.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic650 (2020)
Projected traffic715 by 2046
Trucks11%
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

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Mill Road over Trib to Sugar Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is Mill Road over Trib to Sugar 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 January 2025.

How much traffic does Mill Road over Trib to Sugar Creek carry?

About 650 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is Mill Road over Trib to Sugar Creek?

The structure is 26 ft (7.8 m) long with a longest span of 25 ft (7.6 m) and a deck 39 ft wide.

Who owns Mill Road over Trib to Sugar Creek?

It is owned by the Town or Township Highway Agency.