US Bridges

Broad Street over Cedar Creek Channel

Fair

Knox County, Illinois · N.Of Water St. · Structure no. 048601100000000

Built
1930
95 years old, rebuilt 1997
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
39 ft
1 main span
Daily traffic
1,550
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Broad Street over Cedar Creek Channel is a prestressed concrete box beam or girders - multiple carrying Broad Street over Cedar Creek Channel in Knox County, Illinois. It was built in 1930 and reconstructed in 1997, so it is 95 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 1,550 vehicles a day, roughly 6% of them trucks, projected to reach 2,980 by 2046. The structure is 39 ft (11.9 m) long and 64 ft wide.

CarriesBroad Street
CrossesCedar Creek Channel
LocationN.Of Water St.
Coordinates40.95027, -90.37105
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionOctober 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating107.1 US tons
Inventory rating74 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span36 ft (11 m)
Deck width64 ft (19.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,550 (2022)
Projected traffic2,980 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$369,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Broad Street over Cedar Creek Channel built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1997.

What condition is Broad Street over Cedar Creek Channel 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 October 2024.

How much traffic does Broad Street over Cedar Creek Channel carry?

About 1,550 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Broad Street over Cedar Creek Channel?

The structure is 39 ft (11.9 m) long with a longest span of 36 ft (11 m) and a deck 64 ft wide.

Who owns Broad Street over Cedar Creek Channel?

It is owned by the City or Municipal Highway Agency.