US Bridges

79th ST over Crooked Creek

Fair

Marion County, Indiana · 00.08 E Michigan RD · Structure no. 4900011

Built
1964
61 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
80 ft
2 main spans
Daily traffic
23,506
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

79th ST over Crooked Creek is a prestressed concrete box beam or girders - multiple carrying 79th ST over Crooked Creek in Marion County, Indiana. It was built in 1964, so it is 61 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 23,506 vehicles a day, roughly 5% of them trucks, projected to reach 34,929 by 2039. The structure is 80 ft (24.4 m) long and 36 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Carries79th ST
CrossesCrooked Creek
Location00.08 E Michigan RD
RouteCity Street 0
StateIndiana
Coordinates39.89715, -86.21423
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 within limits of footing or piles
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.1 US tons
Inventory rating41.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span39 ft (11.9 m)
Deck width36 ft (11 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,506 (2019)
Projected traffic34,929 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed2.5 mi (4 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 79th ST over Crooked Creek built?

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

What condition is 79th ST over Crooked 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 79th ST over Crooked Creek carry?

About 23,506 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is 79th ST over Crooked Creek?

The structure is 80 ft (24.4 m) long with a longest span of 39 ft (11.9 m) and a deck 36 ft wide.

Who owns 79th ST over Crooked Creek?

It is owned by the City or Municipal Highway Agency.