US Bridges

TR-18-A over Sandy Creek

Poor

LaSalle County, Illinois · E 1st N 1290 · Structure no. 050307300000000

Built
1963
62 years old
Condition
Poor
inspected June 2024
Type
Channel Beam
Concrete
Length
40 ft
1 main span
Daily traffic
10
2016 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR-18-A over Sandy Creek is a concrete channel beam carrying TR-18-A over Sandy Creek in LaSalle County, Illinois. It was built in 1963, so it is 62 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 10 vehicles a day, projected to reach 10 by 2046. The structure is 40 ft (12.2 m) long and 26 ft wide.

Location

Open in Google Maps
CarriesTR-18-A
CrossesSandy Creek
LocationE 1st N 1290
RouteCounty Highway 0
CountyLaSalle County
StateIllinois
Coordinates41.11825, -89.14321
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating36 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 15
Structure length40 ft (12.2 m)
Longest span38 ft (11.6 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2016)
Projected traffic10 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-18-A over Sandy Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is TR-18-A over Sandy Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does TR-18-A over Sandy Creek carry?

About 10 vehicles per day (2016 count).

How long is TR-18-A over Sandy Creek?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.6 m) and a deck 26 ft wide.

Who owns TR-18-A over Sandy Creek?

It is owned by the Town or Township Highway Agency.