US Bridges

TR 97 over Little Indian CR

Fair

LaSalle County, Illinois · N 4275 E 2190 · Structure no. 050340600000000

Built
1973
52 years old
Condition
Fair
inspected June 2024
Type
Channel Beam
Concrete
Length
84 ft
3 main spans
Daily traffic
75
2016 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 97 over Little Indian CR is a concrete channel beam carrying TR 97 over Little Indian CR in LaSalle County, Illinois. It was built in 1973, so it is 52 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 75 vehicles a day, projected to reach 76 by 2046. The structure is 84 ft (25.6 m) long and 27 ft wide.

Location

Open in Google Maps
CarriesTR 97
CrossesLittle Indian CR
LocationN 4275 E 2190
RouteCounty Highway 0
CountyLaSalle County
StateIllinois
Coordinates41.55388, -88.75063
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
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 inspectionJune 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating66.8 US tons
Inventory rating40 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length84 ft (25.6 m)
Longest span30 ft (9.1 m)
Deck width27 ft (8.1 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2016)
Projected traffic76 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 97 over Little Indian CR built?

It was built in 1973, making it 52 years old in 2025.

What condition is TR 97 over Little Indian CR 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 June 2024.

How much traffic does TR 97 over Little Indian CR carry?

About 75 vehicles per day (2016 count).

How long is TR 97 over Little Indian CR?

The structure is 84 ft (25.6 m) long with a longest span of 30 ft (9.1 m) and a deck 27 ft wide.

Who owns TR 97 over Little Indian CR?

It is owned by the Town or Township Highway Agency.