US Bridges

SR 1 over I-74 Eb/Wb

Good

Dearborn County, Indiana · 00.30 S SR 46 · Structure no. 000050

Built
1961
64 years old, rebuilt 2009
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
210 ft
4 main spans
Daily traffic
9,210
2009 count
Owner
State
State Highway Agency

About this bridge

SR 1 over I-74 Eb/Wb is a steel continuous stringer/multi-beam or girder carrying SR 1 over I-74 Eb/Wb in Dearborn County, Indiana. It was built in 1961 and reconstructed in 2009, so it is 64 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 9,210 vehicles a day, roughly 5% of them trucks, projected to reach 12,836 by 2032. The structure is 210 ft (64.1 m) long and 62 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesSR 1
CrossesI-74 Eb/Wb
Location00.30 S SR 46
RouteState Highway 1
StateIndiana
Coordinates39.27853, -84.96042
Functional classRural Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.5 US tons
Inventory rating42.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length210 ft (64.1 m)
Longest span66 ft (20.1 m)
Deck width62 ft (18.9 m)
Roadway width59 ft (18 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,210 (2009)
Projected traffic12,836 by 2032
Trucks5%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed5.6 mi (9 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 SR 1 over I-74 Eb/Wb built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2009.

What condition is SR 1 over I-74 Eb/Wb 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 July 2023.

How much traffic does SR 1 over I-74 Eb/Wb carry?

About 9,210 vehicles per day (2009 count), of which roughly 5% are trucks.

How long is SR 1 over I-74 Eb/Wb?

The structure is 210 ft (64.1 m) long with a longest span of 66 ft (20.1 m) and a deck 62 ft wide.

Who owns SR 1 over I-74 Eb/Wb?

It is owned by the State Highway Agency.