US Bridges

Olive Street 2455A over Town Creek

Fair

Marion County, Illinois · Salem · Structure no. 061600500000000

Built
1964
61 years old
Condition
Fair
inspected August 2024
Type
Channel Beam
Concrete
Length
38 ft
1 main span
Daily traffic
275
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Olive Street 2455A over Town Creek is a concrete channel beam carrying Olive Street 2455A 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 275 vehicles a day, roughly 5% of them trucks, projected to reach 505 by 2046. The structure is 38 ft (11.6 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOlive Street 2455A
CrossesTown Creek
LocationSalem
RouteCity Street 0
Coordinates38.63008, -88.94274
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating44.3 US tons
Inventory rating26.5 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 15
Structure length38 ft (11.6 m)
Longest span37 ft (11.3 m)
Deck width27 ft (8.1 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic275 (2022)
Projected traffic505 by 2046
Trucks5%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Olive Street 2455A over Town Creek built?

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

What condition is Olive Street 2455A 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 Olive Street 2455A over Town Creek carry?

About 275 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Olive Street 2455A over Town Creek?

The structure is 38 ft (11.6 m) long with a longest span of 37 ft (11.3 m) and a deck 27 ft wide.

Who owns Olive Street 2455A over Town Creek?

It is owned by the City or Municipal Highway Agency.