US Bridges

Jefferson Ave 7520 over Town Creek

Fair

Marion County, Illinois · Salem · Structure no. 061600400000000

Built
1964
61 years old
Condition
Fair
inspected August 2024
Type
Channel Beam
Concrete
Length
54 ft
2 main spans
Daily traffic
425
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Jefferson Ave 7520 over Town Creek is a concrete channel beam carrying Jefferson Ave 7520 over Town Creek in Marion County, Illinois. It was built in 1964, so it is 61 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 425 vehicles a day, roughly 4% of them trucks, projected to reach 657 by 2046. The structure is 54 ft (16.5 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesJefferson Ave 7520
CrossesTown Creek
LocationSalem
RouteCity Street 0
CountyMarion County
StateIllinois
Coordinates38.63168, -88.94371
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 15
Structure length54 ft (16.5 m)
Longest span35 ft (10.7 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic425 (2022)
Projected traffic657 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
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$210,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Jefferson Ave 7520 over Town Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is Jefferson Ave 7520 over Town 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 August 2024.

How much traffic does Jefferson Ave 7520 over Town Creek carry?

About 425 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Jefferson Ave 7520 over Town Creek?

The structure is 54 ft (16.5 m) long with a longest span of 35 ft (10.7 m) and a deck 27 ft wide.

Who owns Jefferson Ave 7520 over Town Creek?

It is owned by the City or Municipal Highway Agency.