US Bridges

US 136 over Walnut Fork

Fair

Montgomery County, Indiana · 02.85 E SR 32 · Structure no. 026860

Built
1953
72 years old, rebuilt 1991
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
129 ft
3 main spans
Daily traffic
2,630
2021 count
Owner
State
State Highway Agency

About this bridge

US 136 over Walnut Fork is a concrete continuous stringer/multi-beam or girder carrying US 136 over Walnut Fork in Montgomery County, Indiana. It was built in 1953 and reconstructed in 1991, so it is 72 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 2,630 vehicles a day, roughly 4% of them trucks, projected to reach 6,857 by 2032. The structure is 129 ft (39.3 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesUS 136
CrossesWalnut Fork
Location02.85 E SR 32
RouteU.S. Route 136
CountyMontgomery County
StateIndiana
Coordinates40.02576, -86.84146
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, 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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.3 US tons
Inventory rating38.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length129 ft (39.3 m)
Longest span40 ft (12.1 m)
Deck width36 ft (10.9 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,630 (2021)
Projected traffic6,857 by 2032
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 US 136 over Walnut Fork built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 1991.

What condition is US 136 over Walnut Fork 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 October 2024.

How much traffic does US 136 over Walnut Fork carry?

About 2,630 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is US 136 over Walnut Fork?

The structure is 129 ft (39.3 m) long with a longest span of 40 ft (12.1 m) and a deck 36 ft wide.

Who owns US 136 over Walnut Fork?

It is owned by the State Highway Agency.