US Bridges

79th ST over Eagle Creek

Good

Marion County, Indiana · 01.13 W I-465 · Structure no. 4900006

Built
1969
56 years old, rebuilt 2018
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
249 ft
3 main spans
Daily traffic
9,106
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

79th ST over Eagle Creek is a prestressed concrete stringer/multi-beam or girder carrying 79th ST over Eagle Creek in Marion County, Indiana. It was built in 1969 and reconstructed in 2018, so it is 56 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 9,106 vehicles a day, roughly 5% of them trucks, projected to reach 13,530 by 2039. The structure is 249 ft (75.8 m) long and 35 ft wide. If it were closed, the detour would be 5 mi (8 km).

Carries79th ST
CrossesEagle Creek
Location01.13 W I-465
RouteCity Street 178
StateIndiana
Coordinates39.89563, -86.29086
Functional classUrban Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
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 evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.9 US tons
Inventory rating55 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length249 ft (75.8 m)
Longest span82 ft (25 m)
Deck width35 ft (10.7 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,106 (2019)
Projected traffic13,530 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 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 79th ST over Eagle Creek built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2018.

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

About 9,106 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is 79th ST over Eagle Creek?

The structure is 249 ft (75.8 m) long with a longest span of 82 ft (25 m) and a deck 35 ft wide.

Who owns 79th ST over Eagle Creek?

It is owned by the City or Municipal Highway Agency.