US Bridges

Hunter Road over US 421X Nb/Sb

Poor

Marion County, Indiana · 00.26 W I-465 · Structure no. 032515

Built
1959
66 years old, rebuilt 1992
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
223 ft
2 main spans
Daily traffic
1,434
2021 count
Owner
State
State Highway Agency

About this bridge

Hunter Road over US 421X Nb/Sb is a steel continuous stringer/multi-beam or girder carrying Hunter Road over US 421X Nb/Sb in Marion County, Indiana. It was built in 1959 and reconstructed in 1992, so it is 66 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,434 vehicles a day, roughly 3% of them trucks, projected to reach 1,600 by 2041. The structure is 223 ft (68.1 m) long and 36 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesHunter Road
CrossesUS 421X Nb/Sb
Location00.26 W I-465
RouteCity Street 0
CountyMarion County
StateIndiana
Coordinates39.73198, -86.04949
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, 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.
Last inspectionJuly 2024
Inspection intervalevery 12 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.8 US tons
Inventory rating25.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length223 ft (68.1 m)
Longest span74 ft (22.5 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,434 (2021)
Projected traffic1,600 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Hunter Road over US 421X Nb/Sb built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1992.

What condition is Hunter Road over US 421X Nb/Sb in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does Hunter Road over US 421X Nb/Sb carry?

About 1,434 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Hunter Road over US 421X Nb/Sb?

The structure is 223 ft (68.1 m) long with a longest span of 74 ft (22.5 m) and a deck 36 ft wide.

Who owns Hunter Road over US 421X Nb/Sb?

It is owned by the State Highway Agency.