US Bridges

Illinois ST over Indpls Water CO Canal

Fair

Marion County, Indiana · 00.10 N of 56th ST · Structure no. 4900078

Built
1946
79 years old, rebuilt 2018
Condition
Fair
inspected July 2024
Type
Arch - Deck
Concrete
Length
147 ft
2 main spans
Daily traffic
17,221
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Illinois ST over Indpls Water CO Canal is a concrete arch - deck carrying Illinois ST over Indpls Water CO Canal in Marion County, Indiana. It was built in 1946 and reconstructed in 2018, so it is 79 years old, older than the Indiana average of 46.6 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 17,221 vehicles a day, roughly 5% of them trucks, projected to reach 25,590 by 2039. The structure is 147 ft (44.8 m) long and 32 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesIllinois ST
CrossesIndpls Water CO Canal
Location00.10 N of 56th ST
RouteCity Street 0
CountyMarion County
StateIndiana
Coordinates39.85583, -86.15957
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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.9 US tons
Inventory rating35.9 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans2
Design loadOther
Structure length147 ft (44.8 m)
Longest span61 ft (18.6 m)
Deck width32 ft (9.8 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,221 (2019)
Projected traffic25,590 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Illinois ST over Indpls Water CO Canal built?

It was built in 1946, making it 79 years old in 2025. It was reconstructed in 2018.

What condition is Illinois ST over Indpls Water CO Canal 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 2024.

How much traffic does Illinois ST over Indpls Water CO Canal carry?

About 17,221 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Illinois ST over Indpls Water CO Canal?

The structure is 147 ft (44.8 m) long with a longest span of 61 ft (18.6 m) and a deck 32 ft wide.

Who owns Illinois ST over Indpls Water CO Canal?

It is owned by the City or Municipal Highway Agency.