US Bridges

US 421 over Ohio R High & Front ST

Fair

Jefferson County, Indiana · 00.42 S of SR 56 · Structure no. 032006

Built
2014
11 years old
Condition
Fair
inspected August 2023
Type
Truss - Thru
Steel Continuous
Length
3,142 ft
4 main spans
Daily traffic
8,853
2016 count
Owner
State
State Highway Agency

About this bridge

US 421 over Ohio R High & Front ST is a steel continuous truss - thru carrying US 421 over Ohio R High & Front ST in Jefferson County, Indiana. It was built in 2014, so it is 11 years old, younger 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 6 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 8,853 vehicles a day, roughly 8% of them trucks, projected to reach 10,184 by 2033. The structure is 3,142 ft (957.8 m) long and 43 ft wide. If it were closed, the detour would be 51.6 mi (83 km).

Location

Open in Google Maps
CarriesUS 421
CrossesOhio R High & Front ST
Location00.42 S of SR 56
RouteU.S. Route 421
CountyJefferson County
StateIndiana
Coordinates38.72861, -85.37
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.1 US tons
Inventory rating35.7 US tons

Structure

Structure typeTruss - Thru
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4 (+7 approach)
Design loadHL 93
Structure length3,142 ft (957.8 m)
Longest span727 ft (221.6 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deck21 ft (6.4 m)

Traffic and service

Average daily traffic8,853 (2016)
Projected traffic10,184 by 2033
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and waterway
Detour if closed51.6 mi (83 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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was US 421 over Ohio R High & Front ST built?

It was built in 2014, making it 11 years old in 2025.

What condition is US 421 over Ohio R High & Front ST 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 2023.

How much traffic does US 421 over Ohio R High & Front ST carry?

About 8,853 vehicles per day (2016 count), of which roughly 8% are trucks.

How long is US 421 over Ohio R High & Front ST?

The structure is 3,142 ft (957.8 m) long with a longest span of 727 ft (221.6 m) and a deck 43 ft wide.

Who owns US 421 over Ohio R High & Front ST?

It is owned by the State Highway Agency.