US Bridges

Emerson Avenue over Conrail RR

Fair

Marion County, Indiana · 00.60 S of Raymond Street · Structure no. 4900348

Built
1969
56 years old, rebuilt 1998
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
209 ft
3 main spans
Daily traffic
21,201
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Emerson Avenue over Conrail RR is a steel continuous stringer/multi-beam or girder carrying Emerson Avenue over Conrail RR in Marion County, Indiana. It was built in 1969 and reconstructed in 1998, 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 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 21,201 vehicles a day, roughly 5% of them trucks, projected to reach 31,500 by 2039. The structure is 209 ft (63.7 m) long and 86 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

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CarriesEmerson Avenue
CrossesConrail RR
Location00.60 S of Raymond Street
RouteCity Street 197
CountyMarion County
StateIndiana
Coordinates39.72967, -86.08259
Functional classUrban Other Principal Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length209 ft (63.7 m)
Longest span81 ft (24.8 m)
Deck width86 ft (26.3 m)
Roadway width72 ft (21.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,201 (2019)
Projected traffic31,500 by 2039
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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$1.5 million (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Emerson Avenue over Conrail RR built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 1998.

What condition is Emerson Avenue over Conrail RR 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 Emerson Avenue over Conrail RR carry?

About 21,201 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Emerson Avenue over Conrail RR?

The structure is 209 ft (63.7 m) long with a longest span of 81 ft (24.8 m) and a deck 86 ft wide.

Who owns Emerson Avenue over Conrail RR?

It is owned by the City or Municipal Highway Agency.