US Bridges

TR 35 over Little Saline R.

Fair

Johnson County, Illinois · NW1/4 SEC15 T11S R4E · Structure no. 044306000000000

Built
1978
47 years old
Condition
Fair
inspected February 2025
Type
Slab
Concrete
Length
31 ft
1 main span
Daily traffic
75
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 35 over Little Saline R. is a concrete slab carrying TR 35 over Little Saline R. in Johnson County, Illinois. It was built in 1978, so it is 47 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 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 75 vehicles a day, roughly 15% of them trucks, projected to reach 79 by 2046. The structure is 31 ft (9.4 m) long and 23 ft wide.

CarriesTR 35
CrossesLittle Saline R.
LocationNW1/4 SEC15 T11S R4E
RouteCounty Highway 0
Coordinates37.56945, -88.75652
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating58.2 US tons
Inventory rating35.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span30 ft (9.1 m)
Deck width23 ft (6.9 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2021)
Projected traffic79 by 2046
Trucks15%
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 35 over Little Saline R. built?

It was built in 1978, making it 47 years old in 2025.

What condition is TR 35 over Little Saline R. 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 February 2025.

How much traffic does TR 35 over Little Saline R. carry?

About 75 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is TR 35 over Little Saline R.?

The structure is 31 ft (9.4 m) long with a longest span of 30 ft (9.1 m) and a deck 23 ft wide.

Who owns TR 35 over Little Saline R.?

It is owned by the Town or Township Highway Agency.