US Bridges

County Line RD over Trim Crk

Good

Will County, Illinois · 1M W of IL1 · Structure no. 099339000000000

Built
2005
20 years old
Condition
Good
inspected April 2021
Type
Stringer/Multi-beam or Girder
Steel
Length
100 ft
1 main span
Daily traffic
2,400
2021 count
Owner
County
County Highway Agency

About this bridge

County Line RD over Trim Crk is a steel stringer/multi-beam or girder carrying County Line RD over Trim Crk in Will County, Illinois. It was built in 2005, so it is 20 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 2,400 vehicles a day, roughly 24% of them trucks, projected to reach 3,456 by 2046. The structure is 100 ft (30.5 m) long and 47 ft wide.

Location

Open in Google Maps
CarriesCounty Line RD
CrossesTrim Crk
Location1M W of IL1
RouteCounty Highway 0
CountyWill County
StateIllinois
Coordinates41.29697, -87.6443
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span97 ft (29.7 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,400 (2021)
Projected traffic3,456 by 2046
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 County Line RD over Trim Crk built?

It was built in 2005, making it 20 years old in 2025.

What condition is County Line RD over Trim Crk 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 April 2021.

How much traffic does County Line RD over Trim Crk carry?

About 2,400 vehicles per day (2021 count), of which roughly 24% are trucks.

How long is County Line RD over Trim Crk?

The structure is 100 ft (30.5 m) long with a longest span of 97 ft (29.7 m) and a deck 47 ft wide.

Who owns County Line RD over Trim Crk?

It is owned by the County Highway Agency.