US Bridges

Township Road 58A over Union Special Ditch

Fair

Bureau County, Illinois · 3.5 Mi. E. Yorktown · Structure no. 006306300000000

Built
1940
85 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
29 ft
1 main span
Daily traffic
50
2010 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Township Road 58A over Union Special Ditch is a steel stringer/multi-beam or girder carrying Township Road 58A over Union Special Ditch in Bureau County, Illinois. It was built in 1940, so it is 85 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 50 vehicles a day, projected to reach 51 by 2046. The structure is 29 ft (8.9 m) long and 25 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesTownship Road 58A
CrossesUnion Special Ditch
Location3.5 Mi. E. Yorktown
RouteCounty Highway 0
CountyBureau County
StateIllinois
Coordinates41.56217, -89.77555
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.
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 inspectionNovember 2023
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 alignment8: Equal to present desirable criteria
Operating rating52.5 US tons
Inventory rating24.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length29 ft (8.9 m)
Longest span28 ft (8.5 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2010)
Projected traffic51 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Township Road 58A over Union Special Ditch built?

It was built in 1940, making it 85 years old in 2025.

What condition is Township Road 58A over Union Special 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 November 2023.

How much traffic does Township Road 58A over Union Special Ditch carry?

About 50 vehicles per day (2010 count).

How long is Township Road 58A over Union Special Ditch?

The structure is 29 ft (8.9 m) long with a longest span of 28 ft (8.5 m) and a deck 25 ft wide.

Who owns Township Road 58A over Union Special Ditch?

It is owned by the Town or Township Highway Agency.