US Bridges

TR 160 over Sutphens Run

Fair

LaSalle County, Illinois · E 9th N 4465 · Structure no. 050348000000000

Built
1983
42 years old
Condition
Fair
inspected July 2024
Type
Channel Beam
Concrete
Length
62 ft
3 main spans
Daily traffic
25
2016 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 160 over Sutphens Run is a concrete channel beam carrying TR 160 over Sutphens Run in LaSalle County, Illinois. It was built in 1983, so it is 42 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 25 vehicles a day, roughly 80% of them trucks, projected to reach 25 by 2046. The structure is 62 ft (18.9 m) long and 26 ft wide.

CarriesTR 160
CrossesSutphens Run
LocationE 9th N 4465
RouteCounty Highway 0
Coordinates41.57886, -88.99579
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length62 ft (18.9 m)
Longest span20 ft (6.1 m)
Deck width26 ft (8 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2016)
Projected traffic25 by 2046
Trucks80%
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 160 over Sutphens Run built?

It was built in 1983, making it 42 years old in 2025.

What condition is TR 160 over Sutphens Run in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does TR 160 over Sutphens Run carry?

About 25 vehicles per day (2016 count), of which roughly 80% are trucks.

How long is TR 160 over Sutphens Run?

The structure is 62 ft (18.9 m) long with a longest span of 20 ft (6.1 m) and a deck 26 ft wide.

Who owns TR 160 over Sutphens Run?

It is owned by the Town or Township Highway Agency.