US Bridges

Illinois Street over Fall Creek

Good

Marion County, Indiana · 00.50 North 21st Street · Structure no. 4900214

Built
1899
126 years old, rebuilt 2014
Condition
Good
inspected August 2024
Type
Arch - Deck
Concrete
Length
289 ft
3 main spans
Daily traffic
32,712
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Illinois Street over Fall Creek is a concrete arch - deck carrying Illinois Street over Fall Creek in Marion County, Indiana. It was built in 1899 and reconstructed in 2014, so it is 126 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 32,712 vehicles a day, roughly 5% of them trucks, projected to reach 48,608 by 2039. The structure is 289 ft (88 m) long and 60 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIllinois Street
CrossesFall Creek
Location00.50 North 21st Street
RouteCity Street 0
StateIndiana
Coordinates39.8026, -86.159
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.1 US tons
Inventory rating35.9 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length289 ft (88 m)
Longest span82 ft (25.1 m)
Deck width60 ft (18.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,712 (2019)
Projected traffic48,608 by 2039
Trucks5%
Lanes on structure3
Traffic directionOne-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 Street over Fall Creek built?

It was built in 1899, making it 126 years old in 2025. It was reconstructed in 2014.

What condition is Illinois Street over Fall Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does Illinois Street over Fall Creek carry?

About 32,712 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Illinois Street over Fall Creek?

The structure is 289 ft (88 m) long with a longest span of 82 ft (25.1 m) and a deck 60 ft wide.

Who owns Illinois Street over Fall Creek?

It is owned by the City or Municipal Highway Agency.