US Bridges

SR 32 over Mill Creek

Poor

Montgomery County, Indiana · 03.70 W SR 47 · Structure no. 010460

Built
1920
105 years old, rebuilt 1946
Condition
Poor
inspected February 2024
Type
Arch - Deck
Concrete
Length
31 ft
1 main span
Daily traffic
3,556
2021 count
Owner
State
State Highway Agency

About this bridge

SR 32 over Mill Creek is a concrete arch - deck carrying SR 32 over Mill Creek in Montgomery County, Indiana. It was built in 1920 and reconstructed in 1946, so it is 105 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 3,556 vehicles a day, roughly 5% of them trucks, projected to reach 7,032 by 2034. The structure is 31 ft (9.4 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR 32
CrossesMill Creek
Location03.70 W SR 47
RouteState Highway 32
StateIndiana
Coordinates40.02481, -86.97664
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100 US tons
Inventory rating97.1 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length31 ft (9.4 m)
Longest span25 ft (7.6 m)
Deck width33 ft (10 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,556 (2021)
Projected traffic7,032 by 2034
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 32 over Mill Creek built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1946.

What condition is SR 32 over Mill Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2024.

How much traffic does SR 32 over Mill Creek carry?

About 3,556 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is SR 32 over Mill Creek?

The structure is 31 ft (9.4 m) long with a longest span of 25 ft (7.6 m) and a deck 33 ft wide.

Who owns SR 32 over Mill Creek?

It is owned by the State Highway Agency.