US Bridges

Telegraph RD over Drainage Ditch

Fair

Winnebago County, Illinois · E Edge Pecatonica · Structure no. 101009900000000

Built
1935
90 years old, rebuilt 1989
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
35 ft
1 main span
Daily traffic
1,400
2022 count
Owner
County
County Highway Agency

About this bridge

Telegraph RD over Drainage Ditch is a prestressed concrete box beam or girders - multiple carrying Telegraph RD over Drainage Ditch in Winnebago County, Illinois. It was built in 1935 and reconstructed in 1989, so it is 90 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 1,400 vehicles a day, roughly 5% of them trucks, projected to reach 1,616 by 2046. The structure is 35 ft (10.6 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesTelegraph RD
CrossesDrainage Ditch
LocationE Edge Pecatonica
RouteCounty Highway 0
CountyWinnebago County
StateIllinois
Coordinates42.3121, -89.35084
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length35 ft (10.6 m)
Longest span34 ft (10.4 m)
Deck width33 ft (10.1 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2022)
Projected traffic1,616 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Telegraph RD over Drainage Ditch built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1989.

What condition is Telegraph RD over Drainage 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 July 2023.

How much traffic does Telegraph RD over Drainage Ditch carry?

About 1,400 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Telegraph RD over Drainage Ditch?

The structure is 35 ft (10.6 m) long with a longest span of 34 ft (10.4 m) and a deck 33 ft wide.

Who owns Telegraph RD over Drainage Ditch?

It is owned by the County Highway Agency.