US Bridges

Sterling Road-Tr 1 over Trib. Main Ditch

Good

Lee County, Illinois · 2.3 Mi. E. of Ill 26 · Structure no. 052558100000000

Built
1990
35 years old
Condition
Good
inspected January 2022
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
725
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Sterling Road-Tr 1 over Trib. Main Ditch is a concrete culvert carrying Sterling Road-Tr 1 over Trib. Main Ditch in Lee County, Illinois. It was built in 1990, so it is 35 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 725 vehicles a day, roughly 40% of them trucks, projected to reach 758 by 2046. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSterling Road-Tr 1
CrossesTrib. Main Ditch
Location2.3 Mi. E. of Ill 26
RouteCounty Highway 0
CountyLee County
StateIllinois
Coordinates41.72204, -89.41291
Functional classRural Major 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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span12 ft (3.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic725 (2022)
Projected traffic758 by 2046
Trucks40%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Sterling Road-Tr 1 over Trib. Main Ditch built?

It was built in 1990, making it 35 years old in 2025.

What condition is Sterling Road-Tr 1 over Trib. Main Ditch 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 2022.

How much traffic does Sterling Road-Tr 1 over Trib. Main Ditch carry?

About 725 vehicles per day (2022 count), of which roughly 40% are trucks.

How long is Sterling Road-Tr 1 over Trib. Main Ditch?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.8 m).

Who owns Sterling Road-Tr 1 over Trib. Main Ditch?

It is owned by the Town or Township Highway Agency.