US Bridges

TR 169 over Little Vermillion

Good

LaSalle County, Illinois · N 3850th E 545 · Structure no. 050350200000000

Built
1985
40 years old
Condition
Good
inspected June 2022
Type
Channel Beam
Concrete
Length
88 ft
3 main spans
Daily traffic
125
2016 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 169 over Little Vermillion is a concrete channel beam carrying TR 169 over Little Vermillion in LaSalle County, Illinois. It was built in 1985, so it is 40 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 125 vehicles a day, projected to reach 126 by 2046. The structure is 88 ft (26.8 m) long and 26 ft wide.

Location

Open in Google Maps
CarriesTR 169
CrossesLittle Vermillion
LocationN 3850th E 545
RouteCounty Highway 0
CountyLaSalle County
StateIllinois
Coordinates41.49181, -89.05977
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 inspectionJune 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81 US tons
Inventory rating48.6 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length88 ft (26.8 m)
Longest span38 ft (11.6 m)
Deck width26 ft (8 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2016)
Projected traffic126 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 TR 169 over Little Vermillion built?

It was built in 1985, making it 40 years old in 2025.

What condition is TR 169 over Little Vermillion 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 June 2022.

How much traffic does TR 169 over Little Vermillion carry?

About 125 vehicles per day (2016 count).

How long is TR 169 over Little Vermillion?

The structure is 88 ft (26.8 m) long with a longest span of 38 ft (11.6 m) and a deck 26 ft wide.

Who owns TR 169 over Little Vermillion?

It is owned by the Town or Township Highway Agency.