US Bridges

SR 32 over Walnut Fork

Poor

Montgomery County, Indiana · 00.87 E SR 47 E JCT · Structure no. 010490

Built
1940
85 years old, rebuilt 2019
Condition
Poor
inspected July 2024
Type
Truss - Thru
Steel
Length
129 ft
1 main span
Daily traffic
5,670
2019 count
Owner
State
State Highway Agency

About this bridge

SR 32 over Walnut Fork is a steel truss - thru carrying SR 32 over Walnut Fork in Montgomery County, Indiana. It was built in 1940 and reconstructed in 2019, so it is 85 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 5,670 vehicles a day, roughly 10% of them trucks, projected to reach 7,010 by 2039. The structure is 129 ft (39.3 m) long and 29 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

Open in Google Maps
CarriesSR 32
CrossesWalnut Fork
Location00.87 E SR 47 E JCT
RouteState Highway 32
CountyMontgomery County
StateIndiana
Coordinates40.04686, -86.85918
Functional classUrban Minor Arterial

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
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.5 US tons
Inventory rating32.6 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length129 ft (39.3 m)
Longest span125 ft (38 m)
Deck width29 ft (8.8 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,670 (2019)
Projected traffic7,010 by 2039
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 statusEligible 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 Walnut Fork built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 2019.

What condition is SR 32 over Walnut Fork 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 July 2024.

How much traffic does SR 32 over Walnut Fork carry?

About 5,670 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is SR 32 over Walnut Fork?

The structure is 129 ft (39.3 m) long with a longest span of 125 ft (38 m) and a deck 29 ft wide.

Who owns SR 32 over Walnut Fork?

It is owned by the State Highway Agency.