US Bridges

TR 7 over Little Indian Creek

Fair

LaSalle County, Illinois · N 48th E 1801 · Structure no. 050306900000000

Built
1965
60 years old
Condition
Fair
inspected April 2023
Type
Channel Beam
Concrete
Length
70 ft
3 main spans
Daily traffic
200
2016 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 7 over Little Indian Creek is a concrete channel beam carrying TR 7 over Little Indian Creek in LaSalle County, Illinois. It was built in 1965, so it is 60 years old, older 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 5 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 200 vehicles a day, roughly 20% of them trucks, projected to reach 202 by 2046. The structure is 70 ft (21.3 m) long and 26 ft wide.

CarriesTR 7
CrossesLittle Indian Creek
LocationN 48th E 1801
RouteCounty Highway 0
Coordinates41.63137, -88.81684
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.5 US tons
Inventory rating25.4 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length70 ft (21.3 m)
Longest span30 ft (9.1 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2016)
Projected traffic202 by 2046
Trucks20%
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 7 over Little Indian Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is TR 7 over Little Indian Creek 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 April 2023.

How much traffic does TR 7 over Little Indian Creek carry?

About 200 vehicles per day (2016 count), of which roughly 20% are trucks.

How long is TR 7 over Little Indian Creek?

The structure is 70 ft (21.3 m) long with a longest span of 30 ft (9.1 m) and a deck 26 ft wide.

Who owns TR 7 over Little Indian Creek?

It is owned by the Town or Township Highway Agency.