US Bridges

Shay RD - TR 70A over Main Ditch

Fair

Tazewell County, Illinois · SE-21-T22NR5W · Structure no. 090306600000000

Built
1961
64 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
100 ft
3 main spans
Daily traffic
25
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Shay RD - TR 70A over Main Ditch is a concrete continuous slab carrying Shay RD - TR 70A over Main Ditch in Tazewell County, Illinois. It was built in 1961, so it is 64 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 25 vehicles a day, projected to reach 25 by 2046. The structure is 100 ft (30.5 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesShay RD - TR 70A
CrossesMain Ditch
LocationSE-21-T22NR5W
RouteCounty Highway 0
CountyTazewell County
StateIllinois
Coordinates40.33693, -89.65969
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.7 US tons
Inventory rating28.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length100 ft (30.5 m)
Longest span41 ft (12.5 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2023)
Projected traffic25 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
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 Shay RD - TR 70A over Main Ditch built?

It was built in 1961, making it 64 years old in 2025.

What condition is Shay RD - TR 70A over Main Ditch 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 January 2024.

How much traffic does Shay RD - TR 70A over Main Ditch carry?

About 25 vehicles per day (2023 count).

How long is Shay RD - TR 70A over Main Ditch?

The structure is 100 ft (30.5 m) long with a longest span of 41 ft (12.5 m) and a deck 29 ft wide.

Who owns Shay RD - TR 70A over Main Ditch?

It is owned by the Town or Township Highway Agency.