US Bridges

TR 55 over Robinson Creek

Fair

Shelby County, Illinois · 4 MI W Findlay · Structure no. 087307200000000

Built
1922
103 years old
Condition
Fair
inspected March 2023
Type
Other
Concrete
Length
43 ft
1 main span
Daily traffic
10
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 55 over Robinson Creek is a concrete other carrying TR 55 over Robinson Creek in Shelby County, Illinois. It was built in 1922, so it is 103 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 10 vehicles a day, roughly 10% of them trucks, projected to reach 10 by 2046. The structure is 43 ft (13 m) long and 21 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTR 55
CrossesRobinson Creek
Location4 MI W Findlay
RouteCounty Highway 0
Coordinates39.52542, -88.83352
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeOther
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length43 ft (13 m)
Longest span41 ft (12.5 m)
Deck width21 ft (6.4 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2024)
Projected traffic10 by 2046
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$352,000
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 55 over Robinson Creek built?

It was built in 1922, making it 103 years old in 2025.

What condition is TR 55 over Robinson 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 March 2023.

How much traffic does TR 55 over Robinson Creek carry?

About 10 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is TR 55 over Robinson Creek?

The structure is 43 ft (13 m) long with a longest span of 41 ft (12.5 m) and a deck 21 ft wide.

Who owns TR 55 over Robinson Creek?

It is owned by the Town or Township Highway Agency.