US Bridges

SR 446 over Salt Creek - Monroe Res

Good

Monroe County, Indiana · 07.82 E SR 46 · Structure no. 032680

Built
1963
62 years old, rebuilt 2016
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
385 ft
5 main spans
Daily traffic
1,609
2011 count
Owner
State
State Highway Agency

About this bridge

SR 446 over Salt Creek - Monroe Res is a steel continuous stringer/multi-beam or girder carrying SR 446 over Salt Creek - Monroe Res in Monroe County, Indiana. It was built in 1963 and reconstructed in 2016, so it is 62 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 1,609 vehicles a day, roughly 10% of them trucks, projected to reach 4,951 by 2033. The structure is 385 ft (117.3 m) long and 33 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesSR 446
CrossesSalt Creek - Monroe Res
Location07.82 E SR 46
RouteState Highway 446
StateIndiana
Coordinates39.07043, -86.41598
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating62.5 US tons
Inventory rating37.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length385 ft (117.3 m)
Longest span89 ft (27.1 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,609 (2011)
Projected traffic4,951 by 2033
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 446 over Salt Creek - Monroe Res built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2016.

What condition is SR 446 over Salt Creek - Monroe Res 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 November 2023.

How much traffic does SR 446 over Salt Creek - Monroe Res carry?

About 1,609 vehicles per day (2011 count), of which roughly 10% are trucks.

How long is SR 446 over Salt Creek - Monroe Res?

The structure is 385 ft (117.3 m) long with a longest span of 89 ft (27.1 m) and a deck 33 ft wide.

Who owns SR 446 over Salt Creek - Monroe Res?

It is owned by the State Highway Agency.