US Bridges

Telegraph RD over Unnamed Creek

Fair

Winnebago County, Illinois · 0.25 MI SW Saunders · Structure no. 101500800000000

Built
1948
77 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
1,400
2022 count
Owner
County
County Highway Agency

About this bridge

Telegraph RD over Unnamed Creek is a concrete culvert carrying Telegraph RD over Unnamed Creek in Winnebago County, Illinois. It was built in 1948, so it is 77 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 1,400 vehicles a day, roughly 5% of them trucks, projected to reach 1,616 by 2046. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 8.1 mi (13 km).

CarriesTelegraph RD
CrossesUnnamed Creek
Location0.25 MI SW Saunders
RouteCounty Highway 0
Coordinates42.32117, -89.33258
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating27.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 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 closed8.1 mi (13 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 Unnamed Creek built?

It was built in 1948, making it 77 years old in 2025.

What condition is Telegraph RD over Unnamed 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 May 2024.

How much traffic does Telegraph RD over Unnamed Creek carry?

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

How long is Telegraph RD over Unnamed Creek?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m).

Who owns Telegraph RD over Unnamed Creek?

It is owned by the County Highway Agency.