US Bridges

SR 46 over Logan Creek

Fair

Dearborn County, Indiana · 00.95 W US 52 · Structure no. 017530

Built
1937
88 years old, rebuilt 1985
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
245 ft
4 main spans
Daily traffic
4,142
2021 count
Owner
State
State Highway Agency

About this bridge

SR 46 over Logan Creek is a steel continuous stringer/multi-beam or girder carrying SR 46 over Logan Creek in Dearborn County, Indiana. It was built in 1937 and reconstructed in 1985, so it is 88 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 4,142 vehicles a day, roughly 10% of them trucks, projected to reach 2,756 by 2033. The structure is 245 ft (74.6 m) long and 34 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesSR 46
CrossesLogan Creek
Location00.95 W US 52
RouteState Highway 46
CountyDearborn County
StateIndiana
Coordinates39.27734, -84.88288
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.4 US tons
Inventory rating38.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length245 ft (74.6 m)
Longest span66 ft (20.1 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,142 (2021)
Projected traffic2,756 by 2033
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 46 over Logan Creek built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1985.

What condition is SR 46 over Logan Creek 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 January 2023.

How much traffic does SR 46 over Logan Creek carry?

About 4,142 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is SR 46 over Logan Creek?

The structure is 245 ft (74.6 m) long with a longest span of 66 ft (20.1 m) and a deck 34 ft wide.

Who owns SR 46 over Logan Creek?

It is owned by the State Highway Agency.