US Bridges

SR 46 over Logan Creek

Fair

Dearborn County, Indiana · 02.93 E SR 1 · Structure no. 017520

Built
1937
88 years old, rebuilt 1985
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
88 ft
1 main span
Daily traffic
1,810
2021 count
Owner
State
State Highway Agency

About this bridge

SR 46 over Logan Creek is a steel 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 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 1,810 vehicles a day, roughly 10% of them trucks, projected to reach 2,751 by 2033. The structure is 88 ft (26.8 m) long and 34 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesSR 46
CrossesLogan Creek
Location02.93 E SR 1
RouteState Highway 46
StateIndiana
Coordinates39.27857, -84.9084
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.8 US tons
Inventory rating32.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length88 ft (26.8 m)
Longest span84 ft (25.6 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,810 (2021)
Projected traffic2,751 by 2033
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 1,810 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is SR 46 over Logan Creek?

The structure is 88 ft (26.8 m) long with a longest span of 84 ft (25.6 m) and a deck 34 ft wide.

Who owns SR 46 over Logan Creek?

It is owned by the State Highway Agency.