US Bridges

TR 385 over Little Wabash

Poor

Shelby County, Illinois · 4.5 MI NW Sigel · Structure no. 087302000000000

Built
1924
101 years old
Condition
Poor
inspected March 2024
Type
Truss - Thru
Steel
Length
102 ft
1 main span
Daily traffic
200
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 385 over Little Wabash is a steel truss - thru carrying TR 385 over Little Wabash in Shelby County, Illinois. It was built in 1924, so it is 101 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 200 vehicles a day, roughly 8% of them trucks, projected to reach 101 by 2046. The structure is 102 ft (31.1 m) long and 18 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesTR 385
CrossesLittle Wabash
Location4.5 MI NW Sigel
RouteCounty Highway 0
Coordinates39.27333, -88.55583
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating44.6 US tons
Inventory rating28.9 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length102 ft (31.1 m)
Longest span100 ft (30.5 m)
Deck width18 ft (5.6 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2024)
Projected traffic101 by 2046
Trucks8%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$728,000
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 385 over Little Wabash built?

It was built in 1924, making it 101 years old in 2025.

What condition is TR 385 over Little Wabash in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does TR 385 over Little Wabash carry?

About 200 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is TR 385 over Little Wabash?

The structure is 102 ft (31.1 m) long with a longest span of 100 ft (30.5 m) and a deck 18 ft wide.

Who owns TR 385 over Little Wabash?

It is owned by the Town or Township Highway Agency.